1
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Albert C, Moe B, Strøm H, Grémillet D, Brault-Favrou M, Tarroux A, Descamps S, Bråthen VS, Merkel B, Åström J, Amélineau F, Angelier F, Anker-Nilssen T, Chastel O, Christensen-Dalsgaard S, Danielsen J, Elliott K, Erikstad KE, Ezhov A, Fauchald P, Gabrielsen GW, Gavrilo M, Hanssen SA, Helgason HH, Johansen MK, Kolbeinsson Y, Krasnov Y, Langset M, Lemaire J, Lorentsen SH, Olsen B, Patterson A, Plumejeaud-Perreau C, Reiertsen TK, Systad GH, Thompson PM, Lindberg Thórarinsson T, Bustamante P, Fort J. Seabirds reveal mercury distribution across the North Atlantic. Proc Natl Acad Sci U S A 2024; 121:e2315513121. [PMID: 38739784 PMCID: PMC11126949 DOI: 10.1073/pnas.2315513121] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/06/2023] [Accepted: 03/26/2024] [Indexed: 05/16/2024] Open
Abstract
Mercury (Hg) is a heterogeneously distributed toxicant affecting wildlife and human health. Yet, the spatial distribution of Hg remains poorly documented, especially in food webs, even though this knowledge is essential to assess large-scale risk of toxicity for the biota and human populations. Here, we used seabirds to assess, at an unprecedented population and geographic magnitude and high resolution, the spatial distribution of Hg in North Atlantic marine food webs. To this end, we combined tracking data of 837 seabirds from seven different species and 27 breeding colonies located across the North Atlantic and Atlantic Arctic together with Hg analyses in feathers representing individual seabird contamination based on their winter distribution. Our results highlight an east-west gradient in Hg concentrations with hot spots around southern Greenland and the east coast of Canada and a cold spot in the Barents and Kara Seas. We hypothesize that those gradients are influenced by eastern (Norwegian Atlantic Current and West Spitsbergen Current) and western (East Greenland Current) oceanic currents and melting of the Greenland Ice Sheet. By tracking spatial Hg contamination in marine ecosystems and through the identification of areas at risk of Hg toxicity, this study provides essential knowledge for international decisions about where the regulation of pollutants should be prioritized.
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Affiliation(s)
- Céline Albert
- Littoral, Environnement et Sociétés, UMR 7266 CNRS-La Rochelle Université, La Rochelle17000, France
| | - Børge Moe
- Norwegian Institute for Nature Research, Trondheim7034, Norway
| | - Hallvard Strøm
- Norwegian Polar Institute, Fram Centre, Tromsø9296, Norway
| | - David Grémillet
- Centre d’Ecologie Fonctionnelle et Evolutive, UMR5175, Univ Montpellier, CNRS, Ecole Pratique des Hautes Etudes, Institut de Recherche pour le Développement, Montpellier34293, France
- FitzPatrick Institute of African Ornithology, University of Cape Town, Rondebosch7701, South Africa
| | - Maud Brault-Favrou
- Littoral, Environnement et Sociétés, UMR 7266 CNRS-La Rochelle Université, La Rochelle17000, France
| | - Arnaud Tarroux
- Norwegian Institute for Nature Research, Fram Centre, Tromsø9296, Norway
| | | | | | - Benjamin Merkel
- Norwegian Polar Institute, Fram Centre, Tromsø9296, Norway
- Akvaplan-niva, Fram Centre, TromsøNO-9007, Norway
| | - Jens Åström
- Norwegian Institute for Nature Research, Trondheim7034, Norway
| | - Françoise Amélineau
- Centre d’Ecologie Fonctionnelle et Evolutive, UMR5175, Univ Montpellier, CNRS, Ecole Pratique des Hautes Etudes, Institut de Recherche pour le Développement, Montpellier34293, France
| | - Frédéric Angelier
- Centre d’Etudes Biologiques de Chizé, UMR 7372 CNRS La Rochelle Université, Villiers-en-Bois79360, France
| | | | - Olivier Chastel
- Centre d’Etudes Biologiques de Chizé, UMR 7372 CNRS La Rochelle Université, Villiers-en-Bois79360, France
| | | | - Johannis Danielsen
- Seabird Ecology Department, Faroe Marine Research Institute, TórshavnFO-100, Faroe Islands
| | - Kyle Elliott
- Department of Natural Resource Sciences, McGill University, Ste Anne-de-Bellevue, QCH9X 3V9, Canada
| | | | - Alexey Ezhov
- Murmansk Marine Biological Institute, Murmansk183010, Russia
| | - Per Fauchald
- Norwegian Institute for Nature Research, Fram Centre, Tromsø9296, Norway
| | | | - Maria Gavrilo
- Association Maritime Heritage, Icebreaker “Krassin”, Saint-PetersburgRU–199106, Russia
- National Park Russian Arctic, ArchangelskRU-168000, Russia
| | - Sveinn Are Hanssen
- Norwegian Institute for Nature Research, Fram Centre, Tromsø9296, Norway
| | | | | | | | - Yuri Krasnov
- Murmansk Marine Biological Institute, Murmansk183010, Russia
| | | | - Jérémy Lemaire
- Littoral, Environnement et Sociétés, UMR 7266 CNRS-La Rochelle Université, La Rochelle17000, France
| | | | - Bergur Olsen
- Seabird Ecology Department, Faroe Marine Research Institute, TórshavnFO-100, Faroe Islands
| | - Allison Patterson
- Department of Natural Resource Sciences, McGill University, Ste Anne-de-Bellevue, QCH9X 3V9, Canada
| | | | - Tone K. Reiertsen
- Norwegian Institute for Nature Research, Fram Centre, Tromsø9296, Norway
| | | | - Paul M. Thompson
- University of Aberdeen, School of Biological Sciences, Lighthouse Field Station, Ross-shire, CromartyIV11 8YJ, Scotland
| | | | - Paco Bustamante
- Littoral, Environnement et Sociétés, UMR 7266 CNRS-La Rochelle Université, La Rochelle17000, France
- Institut Universitaire de France, Paris75005, France
| | - Jérôme Fort
- Littoral, Environnement et Sociétés, UMR 7266 CNRS-La Rochelle Université, La Rochelle17000, France
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2
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Williamson JL, Gyllenhaal EF, Bauernfeind SM, Bautista E, Baumann MJ, Gadek CR, Marra PP, Ricote N, Valqui T, Bozinovic F, Singh ND, Witt CC. Extreme elevational migration spurred cryptic speciation in giant hummingbirds. Proc Natl Acad Sci U S A 2024; 121:e2313599121. [PMID: 38739790 PMCID: PMC11126955 DOI: 10.1073/pnas.2313599121] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/11/2023] [Accepted: 03/19/2024] [Indexed: 05/16/2024] Open
Abstract
The ecoevolutionary drivers of species niche expansion or contraction are critical for biodiversity but challenging to infer. Niche expansion may be promoted by local adaptation or constrained by physiological performance trade-offs. For birds, evolutionary shifts in migratory behavior permit the broadening of the climatic niche by expansion into varied, seasonal environments. Broader niches can be short-lived if diversifying selection and geography promote speciation and niche subdivision across climatic gradients. To illuminate niche breadth dynamics, we can ask how "outlier" species defy constraints. Of the 363 hummingbird species, the giant hummingbird (Patagona gigas) has the broadest climatic niche by a large margin. To test the roles of migratory behavior, performance trade-offs, and genetic structure in maintaining its exceptional niche breadth, we studied its movements, respiratory traits, and population genomics. Satellite and light-level geolocator tracks revealed an >8,300-km loop migration over the Central Andean Plateau. This migration included a 3-wk, ~4,100-m ascent punctuated by upward bursts and pauses, resembling the acclimatization routines of human mountain climbers, and accompanied by surging blood-hemoglobin concentrations. Extreme migration was accompanied by deep genomic divergence from high-elevation resident populations, with decisive postzygotic barriers to gene flow. The two forms occur side-by-side but differ almost imperceptibly in size, plumage, and respiratory traits. The high-elevation resident taxon is the world's largest hummingbird, a previously undiscovered species that we describe and name here. The giant hummingbirds demonstrate evolutionary limits on niche breadth: when the ancestral niche expanded due to evolution (or loss) of an extreme migratory behavior, speciation followed.
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Affiliation(s)
- Jessie L. Williamson
- Museum of Southwestern Biology, University of New Mexico, Albuquerque, NM87131
- Department of Biology, University of New Mexico, Albuquerque, NM87131
- Cornell Lab of Ornithology, Cornell University, Ithaca, NY14850
- Department of Ecology and Evolutionary Biology, Cornell University, Ithaca, NY14850
| | - Ethan F. Gyllenhaal
- Museum of Southwestern Biology, University of New Mexico, Albuquerque, NM87131
- Department of Biology, University of New Mexico, Albuquerque, NM87131
| | | | - Emil Bautista
- Centro de Ornitología y Biodiversidad, Lima15064, Peru
| | - Matthew J. Baumann
- Museum of Southwestern Biology, University of New Mexico, Albuquerque, NM87131
| | - Chauncey R. Gadek
- Museum of Southwestern Biology, University of New Mexico, Albuquerque, NM87131
- Department of Biology, University of New Mexico, Albuquerque, NM87131
- Environmental Stewardship, Los Alamos National Laboratory, Los Alamos, NM87545
| | - Peter P. Marra
- The Earth Commons Institute, Department of Biology, McCourt School of Public Policy, Georgetown University, Washington, DC20057
| | - Natalia Ricote
- Facultad de Artes Liberales, Departamento de Ciencias, Universidad Adolfo Ibáñez, Santiago7941169, Chile
| | - Thomas Valqui
- Centro de Ornitología y Biodiversidad, Lima15064, Peru
- Facultad de Ciencias Forestales, Universidad Nacional Agraria La Molina, Lima15024, Peru
| | - Francisco Bozinovic
- Departamento de Ecología, Center of Applied Ecology and Sustainability, Facultad de Ciencias Biológicas, Pontificia Universidad Católica de Chile, Santiago3542000, Chile
| | - Nadia D. Singh
- Department of Biology, Institute of Ecology and Evolution, University of Oregon, Eugene, OR97403
| | - Christopher C. Witt
- Museum of Southwestern Biology, University of New Mexico, Albuquerque, NM87131
- Department of Biology, University of New Mexico, Albuquerque, NM87131
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3
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Lisovski S, Hoye BJ, Conklin JR, Battley PF, Fuller RA, Gosbell KB, Klaassen M, Benjamin Lee C, Murray NJ, Bauer S. Predicting resilience of migratory birds to environmental change. Proc Natl Acad Sci U S A 2024; 121:e2311146121. [PMID: 38648469 PMCID: PMC11087779 DOI: 10.1073/pnas.2311146121] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/03/2023] [Accepted: 03/15/2024] [Indexed: 04/25/2024] Open
Abstract
The pace and scale of environmental change represent major challenges to many organisms. Animals that move long distances, such as migratory birds, are especially vulnerable to change since they need chains of intact habitat along their migratory routes. Estimating the resilience of such species to environmental changes assists in targeting conservation efforts. We developed a migration modeling framework to predict past (1960s), present (2010s), and future (2060s) optimal migration strategies across five shorebird species (Scolopacidae) within the East Asian-Australasian Flyway, which has seen major habitat deterioration and loss over the last century, and compared these predictions to empirical tracks from the present. Our model captured the migration strategies of the five species and identified the changes in migrations needed to respond to habitat deterioration and climate change. Notably, the larger species, with single or few major stopover sites, need to establish new migration routes and strategies, while smaller species can buffer habitat loss by redistributing their stopover areas to novel or less-used sites. Comparing model predictions with empirical tracks also indicates that larger species with the stronger need for adaptations continue to migrate closer to the optimal routes of the past, before habitat deterioration accelerated. Our study not only quantifies the vulnerability of species in the face of global change but also explicitly reveals the extent of adaptations required to sustain their migrations. This modeling framework provides a tool for conservation planning that can accommodate the future needs of migratory species.
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Affiliation(s)
- Simeon Lisovski
- Alfred Wegener Institute Helmholtz Centre for Polar and Marine Research, Section Polar Terrestrial Environmental Systems, Potsdam14473, Germany
| | - Bethany J. Hoye
- School of Earth, Atmospheric and Life Sciences, University of Wollongong, Wollongong, NSW2522, Australia
| | - Jesse R. Conklin
- Conservation Ecology Group, Groningen Institute for Evolutionary Life Sciences, University of Groningen, Groningen9700, The Netherlands
| | - Phil F. Battley
- Zoology and Ecology Group, Massey University, Palmerston North4442, New Zealand
| | - Richard A. Fuller
- School of the Environment, The University of Queensland, Brisbane, QLD4072, Australia
| | - Ken B. Gosbell
- Victorian Wader Study Group, Blackburn, VIC3130, Australia
| | - Marcel Klaassen
- Victorian Wader Study Group, Blackburn, VIC3130, Australia
- Centre for Integrative Ecology, School of Life and Environmental Sciences, Deakin University, VIC3217, Australia
| | - Chengfa Benjamin Lee
- German Aerospace Center, The Remote Sensing Technology Institute, Berlin12489, Germany
- Department of Remote Sensing, EAGLE M. Sc. Program, University of Würzburg, Würzburg97074, Germany
| | - Nicholas J. Murray
- College of Science and Engineering, James Cook University, Townsville, QLD4811, Australia
| | - Silke Bauer
- Federal Research Institute WSL, Birmensdorf8903, Switzerland
- Department of Bird Migration, Swiss Ornithological Institute, Sempach6204, Switzerland
- Institute of Biodiversity and Ecosystem Dynamics, University of Amsterdam, Amsterdam1090 GE, The Netherlands
- Department of Environmental Systems Science, ETH Zürich, Zürich8902, Switzerland
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4
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Segawa T, Takahashi A, Kokubun N, Ishii S. Spread of antibiotic resistance genes to Antarctica by migratory birds. THE SCIENCE OF THE TOTAL ENVIRONMENT 2024; 923:171345. [PMID: 38447711 DOI: 10.1016/j.scitotenv.2024.171345] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 11/03/2023] [Revised: 02/25/2024] [Accepted: 02/27/2024] [Indexed: 03/08/2024]
Abstract
Recent studies have highlighted the presence of antibiotic resistance genes (ARGs) in Antarctica, which are typically indicative of human activity. However, these studies have concentrated in the Antarctic Peninsula region, and relatively less is known about ARG prevalence in East Antarctica, where human activity levels are lower compared to the Antarctic Peninsula. In addition, the mechanisms of ARG transmission to Antarctica through natural or anthropogenic pathways remain unclear. In this study, we analyzed the fecal samples of Adélie penguins and South polar skuas by using high-throughput sequencing and microfluidic quantitative PCR to detect potential pathogens and ARGs at their breeding colonies near Syowa Station in East Antarctica. These results revealed the presence of several potential pathogens in the fecal matter of both bird species. However, the HF183 marker, which indicates human fecal contamination, was absent in all samples, as well as seawater sampled near the breeding colonies. This suggests that the human fecal contamination was negligible in our study area. In addition to pathogens, we found a significant number of ARGs and metal resistance genes in the feces of both Adélie penguins and South polar skuas, with higher detection rates in skuas than in penguins. To better understand how these birds acquire and transmit these genes, we analyzed the migratory patterns of Adélie penguins and South polar skuas by geolocator tracking. We found that the skuas migrate to the tropical and subtropical regions of the Indian Ocean during the austral winter. On the other hand, Adélie penguins exhibited a more localized migration pattern, mainly staying within Antarctic waters. Because the Indian Ocean is considered one of the major reservoirs of ARGs, South polar skuas might be exposed to ARGs during their winter migration and transfer these genes to Antarctica.
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Affiliation(s)
- Takahiro Segawa
- Center for Life Science Research, University of Yamanashi, Shimokato, Chuo, Yamanashi 409-3898, Japan.
| | - Akinori Takahashi
- National Institute of Polar Research, Tachikawa, Tokyo, Japan; Department of Polar Science, The Graduate University for Advanced Studies, Tachikawa, Tokyo, Japan
| | - Nobuo Kokubun
- National Institute of Polar Research, Tachikawa, Tokyo, Japan; Department of Polar Science, The Graduate University for Advanced Studies, Tachikawa, Tokyo, Japan
| | - Satoshi Ishii
- Department of Soil, Water and Climate, University of Minnesota, St. Paul, MN, USA; BioTechnology Institute, University of Minnesota, St. Paul, MN, USA
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5
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Bell F, Ouwehand J, Both C, Briedis M, Lisovski S, Wang X, Bearhop S, Burgess M. Individuals departing non-breeding areas early achieve earlier breeding and higher breeding success. Sci Rep 2024; 14:4075. [PMID: 38374332 PMCID: PMC10876959 DOI: 10.1038/s41598-024-53575-2] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/07/2023] [Accepted: 02/02/2024] [Indexed: 02/21/2024] Open
Abstract
Conditions experienced by an individual during migration have the potential to shape migratory tactic and in turn fitness. For large birds, environmental conditions encountered during migration have been linked with survival and subsequent reproductive output, but this is less known for smaller birds, hindering our understanding of mechanisms driving population change. By combining breeding and tracking data from 62 pied flycatchers (Ficedula hypoleuca) representing two breeding populations collected over 2016-2020, we determine how variation in migration phenology and tactic among individuals affects subsequent breeding. Departure date from West African non-breeding areas to European breeding grounds was highly variable among individuals and had a strong influence on migration tactic. Early departing individuals had longer spring migrations which included longer staging duration yet arrived at breeding sites and initiated breeding earlier than later departing individuals. Individuals with longer duration spring migrations and early arrival at breeding sites had larger clutches, and for males higher fledging success. We suggest that for pied flycatchers, individual carry-over effects may act through departure phenology from West Africa, and the associated spring migration duration, to influence reproduction. While our results confirm that departure date from non-breeding areas can be associated with breeding success in migratory passerines, we identify spring staging duration as a key component of this process.
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Affiliation(s)
- Fraser Bell
- Centre for Ecology and Conservation, University of Exeter, Penryn, Cornwall, UK.
- Royal Society for the Protection of Birds, Centre for Conservation Science, The Lodge, Sandy, Bedfordshire, UK.
| | - Janne Ouwehand
- Conservation Ecology Group, University of Groningen, Groningen, The Netherlands
| | - Christiaan Both
- Conservation Ecology Group, University of Groningen, Groningen, The Netherlands
| | - Martins Briedis
- Department of Bird Migration, Swiss Ornithological Institute, Sempach, Switzerland
- Lab of Ornithology, Institute of Biology, University of Latvia, Rīga, Latvia
| | - Simeon Lisovski
- Alfred Wegener Institute for Polar and Marine Research, Telegrafenberg, Potsdam, Germany
| | - Xuelai Wang
- Conservation Ecology Group, University of Groningen, Groningen, The Netherlands
| | - Stuart Bearhop
- Centre for Ecology and Conservation, University of Exeter, Penryn, Cornwall, UK
| | - Malcolm Burgess
- Royal Society for the Protection of Birds, Centre for Conservation Science, The Lodge, Sandy, Bedfordshire, UK
- Centre for Research in Animal Behaviour, University of Exeter, Exeter, Devon, UK
- PiedFly.Net, Yarner Wood, Bovey Tracey, Devon, UK
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6
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Yang Q, Wang B, Lemey P, Dong L, Mu T, Wiebe RA, Guo F, Trovão NS, Park SW, Lewis N, Tsui JLH, Bajaj S, Cheng Y, Yang L, Haba Y, Li B, Zhang G, Pybus OG, Tian H, Grenfell B. Synchrony of Bird Migration with Global Dispersal of Avian Influenza Reveals Exposed Bird Orders. Nat Commun 2024; 15:1126. [PMID: 38321046 PMCID: PMC10847442 DOI: 10.1038/s41467-024-45462-1] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/29/2023] [Accepted: 01/23/2024] [Indexed: 02/08/2024] Open
Abstract
Highly pathogenic avian influenza virus (HPAIV) A H5, particularly clade 2.3.4.4, has caused worldwide outbreaks in domestic poultry, occasional spillover to humans, and increasing deaths of diverse species of wild birds since 2014. Wild bird migration is currently acknowledged as an important ecological process contributing to the global dispersal of HPAIV H5. However, this mechanism has not been quantified using bird movement data from different species, and the timing and location of exposure of different species is unclear. We sought to explore these questions through phylodynamic analyses based on empirical data of bird movement tracking and virus genome sequences of clade 2.3.4.4 and 2.3.2.1. First, we demonstrate that seasonal bird migration can explain salient features of the global dispersal of clade 2.3.4.4. Second, we detect synchrony between the seasonality of bird annual cycle phases and virus lineage movements. We reveal the differing exposed bird orders at geographical origins and destinations of HPAIV H5 clade 2.3.4.4 lineage movements, including relatively under-discussed orders. Our study provides a phylodynamic framework that links the bird movement ecology and genomic epidemiology of avian influenza; it highlights the importance of integrating bird behavior and life history in avian influenza studies.
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Affiliation(s)
- Qiqi Yang
- Department of Ecology and Evolutionary Biology, Princeton University, Princeton, NJ, USA.
| | - Ben Wang
- State Key Laboratory of Remote Sensing Science, Center for Global Change and Public Health, Faculty of Geographical Science, Beijing Normal University, Beijing, China
| | - Phillipe Lemey
- Department of Microbiology, Immunology and Transplantation, Rega Institute, KU Leuven, Leuven, Belgium
| | - Lu Dong
- College of Life Sciences, Beijing Normal University, Beijing, China
| | - Tong Mu
- Princeton School of Public and International Affairs, Princeton University, Princeton, NJ, USA
| | - R Alex Wiebe
- Department of Ecology and Evolutionary Biology, Princeton University, Princeton, NJ, USA
| | - Fengyi Guo
- Department of Ecology and Evolutionary Biology, Princeton University, Princeton, NJ, USA
| | | | - Sang Woo Park
- Department of Ecology and Evolutionary Biology, Princeton University, Princeton, NJ, USA
| | - Nicola Lewis
- Animal and Plant Health Agency-Weybridge, OIE/FAO International Reference Laboratory for Avian Influenza, Swine Influenza and Newcastle Disease Virus, Department of Virology, Addlestone, UK
- Department of Pathobiology and Population Science, Royal Veterinary College, London, UK
| | | | - Sumali Bajaj
- Department of Biology, University of Oxford, Oxford, UK
| | - Yachang Cheng
- State Key Laboratory of Biocontrol, School of Ecology, Shenzhen Campus of Sun Yat-sen University, Shenzhen, Guangdong, China
| | - Luojun Yang
- Institute for Disease Modeling, Bill and Melinda Gates Foundation, Seattle, WA, USA
| | - Yuki Haba
- Department of Ecology and Evolutionary Biology, Princeton University, Princeton, NJ, USA
| | - Bingying Li
- State Key Laboratory of Remote Sensing Science, Center for Global Change and Public Health, Faculty of Geographical Science, Beijing Normal University, Beijing, China
| | - Guogang Zhang
- Key Laboratory of Forest Protection of National Forestry and Grassland Administration, Ecology and Nature Conservation Institute, Chinese Academy of Forestry, National Bird Banding Center of China, Beijing, China
| | - Oliver G Pybus
- Department of Pathobiology and Population Science, Royal Veterinary College, London, UK
- Department of Biology, University of Oxford, Oxford, UK
| | - Huaiyu Tian
- State Key Laboratory of Remote Sensing Science, Center for Global Change and Public Health, Faculty of Geographical Science, Beijing Normal University, Beijing, China.
| | - Bryan Grenfell
- Department of Ecology and Evolutionary Biology, Princeton University, Princeton, NJ, USA.
- Princeton School of Public and International Affairs, Princeton University, Princeton, NJ, USA.
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7
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Dossman BC, Studds CE, LaDeau SL, Sillett TS, Marra PP. The role of tropical rainfall in driving range dynamics for a long-distance migratory bird. Proc Natl Acad Sci U S A 2023; 120:e2301055120. [PMID: 38109531 PMCID: PMC10756294 DOI: 10.1073/pnas.2301055120] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/23/2023] [Accepted: 10/27/2023] [Indexed: 12/20/2023] Open
Abstract
Predicting how the range dynamics of migratory species will respond to climate change requires a mechanistic understanding of the factors that operate across the annual cycle to control the distribution and abundance of a species. Here, we use multiple lines of evidence to reveal that environmental conditions during the nonbreeding season influence range dynamics across the life cycle of a migratory songbird, the American redstart (Setophaga ruticilla). Using long-term data from the nonbreeding grounds and breeding origins estimated from stable hydrogen isotopes in tail feathers, we found that the relationship between annual survival and migration distance is mediated by precipitation, but only during dry years. A long-term drying trend throughout the Caribbean is associated with higher mortality for individuals from the northern portion of the species' breeding range, resulting in an approximate 500 km southward shift in breeding origins of this Jamaican population over the past 30 y. This shift in connectivity is mirrored by changes in the redstart's breeding distribution and abundance. These results demonstrate that the climatic effects on demographic processes originating during the tropical nonbreeding season are actively shaping range dynamics in a migratory bird.
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Affiliation(s)
| | - Colin E. Studds
- Department of Geography and Environmental Systems, University of Maryland Baltimore County, Baltimore, MD21250
| | | | - T. Scott Sillett
- Migratory Bird Center, Smithsonian’s National Zoo and Conservation Biology Institute, Washington, DC20013
| | - Peter P. Marra
- The Earth Commons Institute, Department of Biology, McCourt School of Public Policy, Georgetown University, Washington, DC20057
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8
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Green Ii DA. Tracking technologies: advances driving new insights into monarch migration. CURRENT OPINION IN INSECT SCIENCE 2023; 60:101111. [PMID: 37678709 DOI: 10.1016/j.cois.2023.101111] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 04/13/2023] [Revised: 09/01/2023] [Accepted: 09/02/2023] [Indexed: 09/09/2023]
Abstract
Understanding the rules of how monarch butterflies complete their annual North American migration will be clarified by studying them within a movement ecology framework. Insect movement ecology is growing at a rapid pace due to the development of novel monitoring systems that allow ever-smaller animals to be tracked at higher spatiotemporal resolution for longer periods of time. New innovations in tracking hardware and associated software, including miniaturization, energy autonomy, data management, and wireless communication, are reducing the size and increasing the capability of next-generation tracking technologies, bringing the goal of tracking monarchs over their entire migration closer within reach. These tools are beginning to be leveraged to provide insight into different aspects of monarch biology and ecology, and to contribute to a growing capacity to understand insect movement ecology more broadly and its impact on human life.
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Affiliation(s)
- Delbert A Green Ii
- Department of Ecology and Evolutionary Biology, University of Michigan, 1105 N University Ave, Ann Arbor, MI 48109, USA.
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9
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Schmidt AE, Lescroël A, Lisovski S, Elrod M, Jongsomjit D, Dugger KM, Ballard G. Sea ice concentration decline in an important Adélie penguin molt area. Proc Natl Acad Sci U S A 2023; 120:e2306840120. [PMID: 37931108 PMCID: PMC10655226 DOI: 10.1073/pnas.2306840120] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/28/2023] [Accepted: 09/23/2023] [Indexed: 11/08/2023] Open
Abstract
Unlike in many polar regions, the spatial extent and duration of the sea ice season have increased in the Ross Sea sector of the Southern Ocean during the satellite era. Simultaneously, populations of Adélie penguins, a sea ice obligate, have been stable or increasing in the region. Relationships between Adélie penguin population growth and sea ice concentration (SIC) are complex, with sea ice driving different, sometimes contrasting, demographic patterns. Adélie penguins undergo a complete molt annually, replacing all their feathers while fasting shortly after the breeding season. Unlike most penguin species, a majority of Adélies are thought to molt on sea ice, away from the breeding colonies, which makes this period particularly difficult to study. Here, we evaluate the hypothesis that persistent areas of high SIC provide an important molting habitat for Adélie penguins. We analyzed data from geolocating dive recorders deployed year-round on 195 adult penguins at two colonies in the Ross Sea from 2017 to 2019. We identified molt by detecting extended gaps in postbreeding diving activity and used associated locations to define two key molting areas. Remotely sensed data indicated that SIC during molt was anomalously low during the study and has declined in the primary molt area since 1980. Further, annual return rates of penguins to breeding colonies were positively correlated with SIC in the molt areas over 20 y. Together these results suggest that sea ice conditions during Adélie penguin molt may represent a previously underappreciated annual bottleneck for adult survival.
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Affiliation(s)
- Annie E. Schmidt
- Point Blue Conservation Science, Antarctica Program, Petaluma, CA94954
| | - Amélie Lescroël
- Point Blue Conservation Science, Antarctica Program, Petaluma, CA94954
| | - Simeon Lisovski
- Alfred Wegener Institute, Helmholtz Centre for Polar and Marine Research, Polar Terrestrial Environmental Systems, Potsdam14473, Germany
| | - Megan Elrod
- Point Blue Conservation Science, Antarctica Program, Petaluma, CA94954
| | - Dennis Jongsomjit
- Point Blue Conservation Science, Antarctica Program, Petaluma, CA94954
| | - Katie M. Dugger
- US Geological Survey, Oregon Cooperative Fish and Wildlife Research Unit, Corvallis, OR97331
| | - Grant Ballard
- Point Blue Conservation Science, Antarctica Program, Petaluma, CA94954
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10
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Gregory KA, Francesiaz C, Jiguet F, Besnard A. A synthesis of recent tools and perspectives in migratory connectivity studies. MOVEMENT ECOLOGY 2023; 11:69. [PMID: 37891684 PMCID: PMC10605477 DOI: 10.1186/s40462-023-00388-z] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 09/04/2022] [Accepted: 04/17/2023] [Indexed: 10/29/2023]
Abstract
Migration movements connect breeding and non-breeding bird populations over the year. Such links, referred to as migratory connectivity, have important implications for migratory population dynamics as they dictate the consequences of localised events for the whole population network. This calls for concerted efforts to understand migration processes for large-scale conservation. Over the last 20 years, the toolbox to investigate connectivity patterns has expanded and studies now consider migratory connectivity over a broader range of species and contexts. Here, we summarise recent developments in analysing migratory connectivity, focusing on strategies and challenges to pooling various types of data to both optimise and broaden the scope of connectivity studies. We find that the different approaches used to investigate migratory connectivity still have complementary strengths and weaknesses, whether in terms of cost, spatial and temporal resolution, or challenges in obtaining large sample sizes or connectivity estimates. Certain recent developments offer particularly promising prospects: robust quantitative models for banding data, improved precision of geolocators and accessibility of telemetry tracking systems, and increasingly precise probabilistic assignments based on genomic markers or large-scale isoscapes. In parallel, studies have proposed various ways to combine the information of different datasets, from simply comparing the connectivity patterns they draw to formally integrating their analyses. Such data combinations have proven to be more accurate in estimating connectivity patterns, particularly for integrated approaches that offer promising flexibility. Given the diversity of available tools, future studies would benefit from a rigorous comparative evaluation of the different methodologies to guide data collection to complete migration atlases: where and when should data be collected during the migratory cycle to best describe connectivity patterns? Which data are most favourable to combine, and under what conditions? Are there methods for combining data that are better than others? Can combination methods be improved by adjusting the contribution of the various data in the models? How can we fully integrate connectivity with demographic and environmental data? Data integration shows strong potential to deepen our understanding of migratory connectivity as a dynamic ecological process, especially if the gaps can be bridged between connectivity, population and environmental models.
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Affiliation(s)
- Killian A Gregory
- Master de Biologie, École Normale Supérieure de Lyon, Université Claude Bernard Lyon 1, Université de Lyon, Lyon, France.
- CESCO, MNHN-CNRS-Sorbonne Université, Paris, France.
- CEFE, Univ Montpellier, CNRS, EPHE, IRD, Montpellier, France.
| | | | | | - Aurélien Besnard
- CEFE, Univ Montpellier, CNRS, EPHE-PSL University, IRD, Montpellier, France
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11
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Darby JH, Clairbaux M, Quinn JL, Thompson P, Quinn L, Cabot D, Strøm H, Thórarinsson TL, Kempf J, Jessopp MJ. Decadal increase in vessel interactions by a scavenging pelagic seabird across the North Atlantic. Curr Biol 2023; 33:4225-4231.e3. [PMID: 37678252 DOI: 10.1016/j.cub.2023.08.033] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/22/2023] [Revised: 07/21/2023] [Accepted: 08/10/2023] [Indexed: 09/09/2023]
Abstract
Fisheries waste is used by many seabirds as a supplementary source of food,1 but interacting with fishing vessels to obtain this resource puts birds at risk of entanglement in fishing gear and mortality.2 As a result, bycatch is one of the leading contributors to seabird decline worldwide,3 and this risk may increase over time as birds increasingly associate fishing vessels with food. Light-level geolocators mounted on seabirds can detect light emitted from vessels at night year-round.4 We used a 16-year time series of geolocator data from 296 northern fulmars (Fulmarus glacialis) breeding at temperate and arctic colonies to investigate trends of nocturnal vessel interactions in this scavenging pelagic seabird. Vessel attendance has progressively increased over the study period despite no corresponding increase in the number of vessels or availability of discards over the same time frame. Fulmars are highly mobile generalist surface feeders,5 so this may signal a reduction in available prey biomass in the upper water column, leading to increased reliance on anthropogenic food subsidies6 and increased risk of bycatch mortality in already threatened seabird populations. Individuals were consistent in the extent to which they interacted with vessels, as shown in other species,7 suggesting that population-level increases may be due to a higher proportion of fulmars following vessels rather than changes at an individual level. Higher encounter rates were correlated with lower time spent foraging and a geographically restricted overwintering distribution, suggesting an energetic advantage for these scavenging strategists compared with foraging for natural prey.
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Affiliation(s)
- Jamie H Darby
- School of Biological, Environmental and Earth Sciences, University College Cork, Cork T23 N73K, Ireland; School of Environmental Sciences, University of Liverpool, Liverpool L3 5DA, UK.
| | - Manon Clairbaux
- School of Biological, Environmental and Earth Sciences, University College Cork, Cork T23 N73K, Ireland; MaREI Centre for Energy, Climate and Marine, Environmental Research Institute, University College Cork, Cork P43 C573, Ireland
| | - John L Quinn
- School of Biological, Environmental and Earth Sciences, University College Cork, Cork T23 N73K, Ireland
| | - Paul Thompson
- Lighthouse Field Station, School of Biological Sciences, University of Aberdeen, Cromarty IV11 8YL, Scotland
| | - Lucy Quinn
- Lighthouse Field Station, School of Biological Sciences, University of Aberdeen, Cromarty IV11 8YL, Scotland; NatureScot, Great Glen House, Leachkin Road, Inverness IV3 8NW, Scotland
| | - David Cabot
- School of Biological, Environmental and Earth Sciences, University College Cork, Cork T23 N73K, Ireland
| | - Hallvard Strøm
- Norwegian Polar Institute, Fram Centre, Postbox 6606 Stakkevollan, 9296 Tromsø, Norway
| | | | - Jed Kempf
- School of Biological, Environmental and Earth Sciences, University College Cork, Cork T23 N73K, Ireland
| | - Mark J Jessopp
- School of Biological, Environmental and Earth Sciences, University College Cork, Cork T23 N73K, Ireland; MaREI Centre for Energy, Climate and Marine, Environmental Research Institute, University College Cork, Cork P43 C573, Ireland
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12
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Sokolovskis K, Caballero-Lopez V, Åkesson S, Lundberg M, Willemoes M, Zhao T, Bensch S. Diurnal migration patterns in willow warblers differ between the western and eastern flyways. MOVEMENT ECOLOGY 2023; 11:58. [PMID: 37735665 PMCID: PMC10512566 DOI: 10.1186/s40462-023-00425-x] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 10/21/2022] [Accepted: 09/14/2023] [Indexed: 09/23/2023]
Abstract
It is a long-standing view that the main mechanism maintaining narrow migratory divides in passerines is the selection against intermediate and suboptimal migratory direction, but empirical proof of this is still lacking. We present novel results from a willow warbler migratory divide in central Sweden from where birds take the typical SW and SE as well as intermediate routes to winter quarters in Africa. We hypothesized that individuals that take the intermediate route are forced to migrate in daytime more often when crossing wide ecological barriers than birds that follow the typical western or eastern flyways. Analyses of geolocator tracks of willow warblers breeding across the entire Sweden, including the migratory divide, provided no support for our hypothesis. Instead, birds that migrated along the western flyway were the most likely to undertake full day flights. The probability of migrating for a full day when crossing major barriers declined linearly from west to east. We speculate that this difference is possibly caused by more challenging conditions in the western part of the Sahara Desert, such as the lack of suitable day-time roost sites. However, it may equally likely be that willow warblers benefit from migrating in daytime if favorable tailwinds offer assistance.
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Affiliation(s)
- Kristaps Sokolovskis
- Department of Biology, Lund University, Sölvegatan 37, 223 62, Lund, Sweden.
- Department of Biology, University of Turku, Vesilinnantie 5, 20500, Turku, Finland.
| | | | - Susanne Åkesson
- Department of Biology, Lund University, Sölvegatan 37, 223 62, Lund, Sweden
| | - Max Lundberg
- Department of Biology, Lund University, Sölvegatan 37, 223 62, Lund, Sweden
| | - Mikkel Willemoes
- Department of Biology, Lund University, Sölvegatan 37, 223 62, Lund, Sweden
| | - Tianhao Zhao
- GELIFES, University of Groningen, Nijenborgh 7, 5172.0664, 9747 AG, Groningen, Netherlands
| | - Staffan Bensch
- Department of Biology, Lund University, Sölvegatan 37, 223 62, Lund, Sweden
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Erhardt S, Koch M, Kiefer A, Veith M, Weigel R, Koelpin A. Mobile-BAT-A Novel Ultra-Low Power Wildlife Tracking System. SENSORS (BASEL, SWITZERLAND) 2023; 23:s23115236. [PMID: 37299963 DOI: 10.3390/s23115236] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 03/27/2023] [Revised: 05/19/2023] [Accepted: 05/26/2023] [Indexed: 06/12/2023]
Abstract
We introduce a novel ultra-low power system for tracking animal movements over long periods with an unprecedented high-temporal-resolution. The localization principle is based on the detection of cellular base stations using a miniaturized software-defined radio, weighing 2.0 g, including the battery, and having a size equivalent to two stacked 1-euro cent coins. Therefore, the system is small and lightweight enough to be deployed on small, wide-ranging, or migrating animals, such as European bats, for movement analysis with an unprecedented spatiotemporal resolution. The position estimation relies on a post-processing probabilistic RF pattern-matching method based on the acquired base stations and power levels. In several field tests, the system has been successfully verified, and a run-time of close to one year has been demonstrated.
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Affiliation(s)
- Stefan Erhardt
- Institute of High Frequency Technology, Hamburg University of Technology, Denickestraße 22, 21073 Hamburg, Germany
- Institute for Electronics Engineering, Friedrich-Alexander-Universität Erlangen-Nürnberg, Cauerstraße 9, 91058 Erlangen, Germany
| | - Martin Koch
- Department of Biogeography, University of Trier, Universitätsring 15, 54286 Trier, Germany
| | - Andreas Kiefer
- Department of Biogeography, University of Trier, Universitätsring 15, 54286 Trier, Germany
| | - Michael Veith
- Department of Biogeography, University of Trier, Universitätsring 15, 54286 Trier, Germany
| | - Robert Weigel
- Institute for Electronics Engineering, Friedrich-Alexander-Universität Erlangen-Nürnberg, Cauerstraße 9, 91058 Erlangen, Germany
| | - Alexander Koelpin
- Institute of High Frequency Technology, Hamburg University of Technology, Denickestraße 22, 21073 Hamburg, Germany
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14
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Heim W, Antonov A, Kunz F, Sander MM, Bastardot M, Beermann I, Heim RJ, Thomas A, Volkova V. Habitat use, survival, and migration of a little-known East Asian endemic, the yellow-throated bunting Emberiza elegans. Ecol Evol 2023; 13:e10030. [PMID: 37153014 PMCID: PMC10154376 DOI: 10.1002/ece3.10030] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/13/2022] [Revised: 04/05/2023] [Accepted: 04/06/2023] [Indexed: 05/09/2023] Open
Abstract
Basic information on the ecology of species is key for their conservation. Here we study the ecology of the little-known yellow-throated bunting Emberiza elegans based on a multi-year study on its breeding grounds in the Russian Far East. For the first time in this species, we quantified breeding habitat parameters, calculated sex-specific apparent survival, and determined individual nonbreeding locations using light-level geolocation. We found that the habitat around song posts of male yellow-throated buntings is characterized by tree and shrub layers on richly littered moist ground. Habitat use overlaps with co-occurring Tristram's Buntings Emberiza tristrami and Black-faced Buntings E. spodocephala, but territories differ especially in tree cover and litter cover. Based on 4 years of color-ringing data of 72 individuals, we calculated an apparent survival rate of 36%, with higher survival estimates for male than for female yellow-throated buntings. We found no effect of carrying a geolocator on survival. We retrieved six geolocators from males. All birds migrated south-westward during autumn and spent the nonbreeding season at locations in China 700-1700 km away from their breeding sites. At least two individuals spent the boreal winter outside of the known range in northern or central China. Birds left the breeding area between early October and early November and returned between mid-March and mid-April. Our data on habitat use, survival rate, and migratory connectivity will help to assess threats to the populations of this enigmatic species, which might include habitat loss due to forest fires on the breeding grounds, and unsustainable harvest for consumption during the nonbreeding season.
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Affiliation(s)
- Wieland Heim
- Institute of Landscape EcologyUniversity of MünsterMünsterGermany
- University of TurkuTurkuFinland
- Swiss Ornithological InstituteSempachSwitzerland
| | | | - Friederike Kunz
- Institute of Landscape EcologyUniversity of MünsterMünsterGermany
- Independent ResearcherMuensterGermany
| | - Martha Maria Sander
- Department of Life Sciences and Systems BiologyUniversity of TurinTurinItaly
- NABU (Naturschutzbund Deutschland) e.V.BerlinGermany
| | | | - Ilka Beermann
- Institute of Landscape EcologyUniversity of MünsterMünsterGermany
- EuroNatur FoundationRadolfzellGermany
| | - Ramona Julia Heim
- Department of Evolutionary Biology and Environmental StudiesUniversity of ZurichZurichSwitzerland
| | | | - Vera Volkova
- State budgetary educational institution of additional education of the city of Moscow "Zelenograd Palace of Creativity for Children and Youth"ZelenogradRussia
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15
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Rime Y, Nussbaumer R, Briedis M, Sander MM, Chamberlain D, Amrhein V, Helm B, Liechti F, Meier CM. Multi-sensor geolocators unveil global and local movements in an Alpine-breeding long-distance migrant. MOVEMENT ECOLOGY 2023; 11:19. [PMID: 37020307 PMCID: PMC10074645 DOI: 10.1186/s40462-023-00381-6] [Citation(s) in RCA: 3] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 02/02/2023] [Accepted: 03/20/2023] [Indexed: 05/30/2023]
Abstract
BACKGROUND To understand the ecology of long-distance migrant bird species, it is necessary to study their full annual cycle, including migratory routes and stopovers. This is especially important for species in high-elevation habitats that are particularly vulnerable to environmental change. Here, we investigated both local and global movements during all parts of the annual cycle in a small trans-Saharan migratory bird breeding at high elevation. METHODS Recently, multi-sensor geolocators have opened new research opportunities in small-sized migratory organisms. We tagged Northern Wheatears Oenanthe oenanthe from the central-European Alpine population with loggers recording atmospheric pressure and light intensity. We modelled migration routes and identified stopover and non-breeding sites by correlating the atmospheric pressure measured on the birds with global atmospheric pressure data. Furthermore, we compared barrier-crossing flights with other migratory flights and studied the movement behaviour throughout the annual cycle. RESULTS All eight tracked individuals crossed the Mediterranean Sea, using islands for short stops, and made longer stopovers in the Atlas highlands. Single non-breeding sites were used during the entire boreal winter and were all located in the same region of the Sahel. Spring migration was recorded for four individuals with similar or slightly different routes compared to autumn. Migratory flights were typically nocturnal and characterized by fluctuating altitudes, frequently reaching 2000 to 4000 m a.s.l, with a maximum of up to 5150 m. Barrier-crossing flights, i.e., over the sea and the Sahara, were longer, higher, and faster compared to flights above favourable stopover habitat. In addition, we detected two types of altitudinal movements at the breeding site. Unexpected regular diel uphill movements were undertaken from the breeding territories towards nearby roosting sites at cliffs, while regional scale movements took place in response to local meteorological conditions during the pre-breeding period. CONCLUSION Our data inform on both local and global scale movements, providing new insights into migratory behaviour and local movements in small songbirds. This calls for a wider use of multi-sensor loggers in songbird migration research, especially for investigating both local and global movements in the same individuals.
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Affiliation(s)
- Yann Rime
- Department of Bird Migration, Swiss Ornithological Institute, Seerose 1, Sempach, CH-6204, Switzerland.
- Department of Environmental Sciences, Zoology, University of Basel, Basel, CH-4051, Switzerland.
| | | | - Martins Briedis
- Department of Bird Migration, Swiss Ornithological Institute, Seerose 1, Sempach, CH-6204, Switzerland
- Institute of Biology, University of Latvia, Riga, LV-1004, Latvia
| | - Martha Maria Sander
- Department of Life Sciences and Systems Biology, University of Turin, Via Accademia Albertina 13, Turin, IT-10123, Italy
| | - Dan Chamberlain
- Department of Life Sciences and Systems Biology, University of Turin, Via Accademia Albertina 13, Turin, IT-10123, Italy
| | - Valentin Amrhein
- Department of Environmental Sciences, Zoology, University of Basel, Basel, CH-4051, Switzerland
| | - Barbara Helm
- Department of Bird Migration, Swiss Ornithological Institute, Seerose 1, Sempach, CH-6204, Switzerland
| | - Felix Liechti
- Department of Bird Migration, Swiss Ornithological Institute, Seerose 1, Sempach, CH-6204, Switzerland
| | - Christoph M Meier
- Department of Bird Migration, Swiss Ornithological Institute, Seerose 1, Sempach, CH-6204, Switzerland
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16
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Green C, Green DB, Ratcliffe N, Thompson D, Lea M, Baylis AMM, Bond AL, Bost C, Crofts S, Cuthbert RJ, González‐Solís J, Morrison KW, Poisbleau M, Pütz K, Rey AR, Ryan PG, Sagar PM, Steinfurth A, Thiebot J, Tierney M, Whitehead TO, Wotherspoon S, Hindell MA. Potential for redistribution of post-moult habitat for Eudyptes penguins in the Southern Ocean under future climate conditions. GLOBAL CHANGE BIOLOGY 2023; 29:648-667. [PMID: 36278894 PMCID: PMC10099906 DOI: 10.1111/gcb.16500] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 05/16/2022] [Revised: 09/28/2022] [Accepted: 10/12/2022] [Indexed: 06/16/2023]
Abstract
Anthropogenic climate change is resulting in spatial redistributions of many species. We assessed the potential effects of climate change on an abundant and widely distributed group of diving birds, Eudyptes penguins, which are the main avian consumers in the Southern Ocean in terms of biomass consumption. Despite their abundance, several of these species have undergone population declines over the past century, potentially due to changing oceanography and prey availability over the important winter months. We used light-based geolocation tracking data for 485 individuals deployed between 2006 and 2020 across 10 of the major breeding locations for five taxa of Eudyptes penguins. We used boosted regression tree modelling to quantify post-moult habitat preference for southern rockhopper (E. chrysocome), eastern rockhopper (E. filholi), northern rockhopper (E. moseleyi) and macaroni/royal (E. chrysolophus and E. schlegeli) penguins. We then modelled their redistribution under two climate change scenarios, representative concentration pathways RCP4.5 and RCP8.5 (for the end of the century, 2071-2100). As climate forcings differ regionally, we quantified redistribution in the Atlantic, Central Indian, East Indian, West Pacific and East Pacific regions. We found sea surface temperature and sea surface height to be the most important predictors of current habitat for these penguins; physical features that are changing rapidly in the Southern Ocean. Our results indicated that the less severe RCP4.5 would lead to less habitat loss than the more severe RCP8.5. The five taxa of penguin may experience a general poleward redistribution of their preferred habitat, but with contrasting effects in the (i) change in total area of preferred habitat under climate change (ii) according to geographic region and (iii) the species (macaroni/royal vs. rockhopper populations). Our results provide further understanding on the regional impacts and vulnerability of species to climate change.
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Affiliation(s)
- Cara‐Paige Green
- Institute for Marine and Antarctic StudiesUniversity of TasmaniaHobartTasmaniaAustralia
| | - David B. Green
- Institute for Marine and Antarctic StudiesUniversity of TasmaniaHobartTasmaniaAustralia
- ARC Australian Centre for Excellence in Antarctic ScienceInstitute for Marine and Antarctic Studies, University of TasmaniaHobartTasmaniaAustralia
| | | | - David Thompson
- National Institute of Water and Atmospheric Research Ltd.HataitaiWellingtonNew Zealand
| | - Mary‐Anne Lea
- Institute for Marine and Antarctic StudiesUniversity of TasmaniaHobartTasmaniaAustralia
- ARC Australian Centre for Excellence in Antarctic ScienceInstitute for Marine and Antarctic Studies, University of TasmaniaHobartTasmaniaAustralia
| | - Alastair M. M. Baylis
- South Atlantic Environmental Research InstituteStanleyFalkland Islands
- Macquarie UniversitySydneyNew South WalesAustralia
| | - Alexander L. Bond
- RSPB Centre for Conservation ScienceRoyal Society for the Protection of BirdsThe LodgeSandyUK
- Bird GroupNatural History MuseumTingUK
| | - Charles‐André Bost
- Centre d'Etudes Biologiques de ChizéUMR7372 CNRS‐La Rochelle UniversitéVilliers en BoisFrance
| | | | - Richard J. Cuthbert
- Royal Society for the Protection of BirdsCentre for Conservation ScienceCambridgeUK
- World Land TrustBlyth HouseHalesworthUK
| | - Jacob González‐Solís
- Institut de Recerca de la Biodiversitat (IRBio) and Departament de Biologia EvolutivaEcologia i Ciències AmbientalsUniversitat de BarcelonaBarcelonaSpain
| | - Kyle W. Morrison
- National Institute of Water and Atmospheric Research Ltd.HataitaiWellingtonNew Zealand
| | - Maud Poisbleau
- Behavioural Ecology and Ecophysiology GroupDepartment of BiologyUniversity of AntwerpWilrijkBelgium
| | | | | | - Peter G. Ryan
- FitzPatrick Institute of African OrnithologyDST‐NRF Centre of ExcellenceUniversity of Cape TownRondeboschSouth Africa
| | - Paul M. Sagar
- National Institute of Water and Atmospheric Research Ltd.HataitaiWellingtonNew Zealand
| | - Antje Steinfurth
- Royal Society for the Protection of BirdsCentre for Conservation ScienceCambridgeUK
| | - Jean‐Baptiste Thiebot
- National Institute of Water and Atmospheric Research Ltd.ChristchurchNew Zealand
- Graduate School of Fisheries SciencesHokkaido UniversityHakodateJapan
| | - Megan Tierney
- South Atlantic Environmental Research InstituteStanleyFalkland Islands
- Joint Nature Conservation CommitteePeterboroughUK
| | - Thomas Otto Whitehead
- FitzPatrick Institute of African OrnithologyDST‐NRF Centre of ExcellenceUniversity of Cape TownRondeboschSouth Africa
| | - Simon Wotherspoon
- Australian Antarctic DivisionDepartment of Agriculture, Water and the EnvironmentAustralian Antarctic DivisionKingstonTasmaniaAustralia
| | - Mark A. Hindell
- Institute for Marine and Antarctic StudiesUniversity of TasmaniaHobartTasmaniaAustralia
- ARC Australian Centre for Excellence in Antarctic ScienceInstitute for Marine and Antarctic Studies, University of TasmaniaHobartTasmaniaAustralia
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17
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Schuhmann F, Ryvkin L, McLaren JD, Gerhards L, Solov'yov IA. Across atoms to crossing continents: Application of similarity measures to biological location data. PLoS One 2023; 18:e0284736. [PMID: 37186599 PMCID: PMC10184918 DOI: 10.1371/journal.pone.0284736] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/05/2022] [Accepted: 04/06/2023] [Indexed: 05/17/2023] Open
Abstract
Biological processes involve movements across all measurable scales. Similarity measures can be applied to compare and analyze these movements but differ in how differences in movement are aggregated across space and time. The present study reviews frequently-used similarity measures, such as the Hausdorff distance, Fréchet distance, Dynamic Time Warping, and Longest Common Subsequence, jointly with several measures less used in biological applications (Wasserstein distance, weak Fréchet distance, and Kullback-Leibler divergence), and provides computational tools for each of them that may be used in computational biology. We illustrate the use of the selected similarity measures in diagnosing differences within two extremely contrasting sets of biological data, which, remarkably, may both be relevant for magnetic field perception by migratory birds. Specifically, we assess and discuss cryptochrome protein conformational dynamics and extreme migratory trajectories of songbirds between Alaska and Africa. We highlight how similarity measures contrast regarding computational complexity and discuss those which can be useful in noise elimination or, conversely, are sensitive to spatiotemporal scales.
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Affiliation(s)
- Fabian Schuhmann
- Department of Physics, Carl von Ossietzky Universität Oldenburg, Oldenburg, Germany
| | - Leonie Ryvkin
- Department of Mathematics & Computer Science, Technische Universiteit Eindhoven, Eindhoven, Netherlands
- Department of Computer Science, Ruhr-Universität Bochum, Bochum, Germany
| | - James D McLaren
- Institute of Chemistry and Marine Biology, Carl von Ossietzky Universität Oldenburg, Oldenburg, Germany
| | - Luca Gerhards
- Department of Physics, Carl von Ossietzky Universität Oldenburg, Oldenburg, Germany
| | - Ilia A Solov'yov
- Department of Physics, Carl von Ossietzky Universität Oldenburg, Oldenburg, Germany
- Research Centre for Neurosensory Science, Carl von Ossietzky Universität Oldenburg, Oldenburg, Germany
- Center for Nanoscale Dynamics (CENAD), Carl von Ossietzky Universität Oldenburg, Oldenburg, Germany
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Andrzejaczek S, Lucas TC, Goodman MC, Hussey NE, Armstrong AJ, Carlisle A, Coffey DM, Gleiss AC, Huveneers C, Jacoby DMP, Meekan MG, Mourier J, Peel LR, Abrantes K, Afonso AS, Ajemian MJ, Anderson BN, Anderson SD, Araujo G, Armstrong AO, Bach P, Barnett A, Bennett MB, Bezerra NA, Bonfil R, Boustany AM, Bowlby HD, Branco I, Braun CD, Brooks EJ, Brown J, Burke PJ, Butcher P, Castleton M, Chapple TK, Chateau O, Clarke M, Coelho R, Cortes E, Couturier LIE, Cowley PD, Croll DA, Cuevas JM, Curtis TH, Dagorn L, Dale JJ, Daly R, Dewar H, Doherty PD, Domingo A, Dove ADM, Drew M, Dudgeon CL, Duffy CAJ, Elliott RG, Ellis JR, Erdmann MV, Farrugia TJ, Ferreira LC, Ferretti F, Filmalter JD, Finucci B, Fischer C, Fitzpatrick R, Forget F, Forsberg K, Francis MP, Franks BR, Gallagher AJ, Galvan-Magana F, García ML, Gaston TF, Gillanders BM, Gollock MJ, Green JR, Green S, Griffiths CA, Hammerschlag N, Hasan A, Hawkes LA, Hazin F, Heard M, Hearn A, Hedges KJ, Henderson SM, Holdsworth J, Holland KN, Howey LA, Hueter RE, Humphries NE, Hutchinson M, Jaine FRA, Jorgensen SJ, Kanive PE, Labaja J, Lana FO, Lassauce H, Lipscombe RS, Llewellyn F, Macena BCL, Mambrasar R, McAllister JD, McCully Phillips SR, McGregor F, McMillan MN, McNaughton LM, Mendonça SA, Meyer CG, Meyers M, Mohan JA, Montgomery JC, Mucientes G, Musyl MK, Nasby-Lucas N, Natanson LJ, O’Sullivan JB, Oliveira P, Papastamtiou YP, Patterson TA, Pierce SJ, Queiroz N, Radford CA, Richardson AJ, Richardson AJ, Righton D, Rohner CA, Royer MA, Saunders RA, Schaber M, Schallert RJ, Scholl MC, Seitz AC, Semmens JM, Setyawan E, Shea BD, Shidqi RA, Shillinger GL, Shipley ON, Shivji MS, Sianipar AB, Silva JF, Sims DW, Skomal GB, Sousa LL, Southall EJ, Spaet JLY, Stehfest KM, Stevens G, Stewart JD, Sulikowski JA, Syakurachman I, Thorrold SR, Thums M, Tickler D, Tolloti MT, Townsend KA, Travassos P, Tyminski JP, Vaudo JJ, Veras D, Wantiez L, Weber SB, Wells RD, Weng KC, Wetherbee BM, Williamson JE, Witt MJ, Wright S, Zilliacus K, Block BA, Curnick DJ. Diving into the vertical dimension of elasmobranch movement ecology. SCIENCE ADVANCES 2022; 8:eabo1754. [PMID: 35984887 PMCID: PMC9390984 DOI: 10.1126/sciadv.abo1754] [Citation(s) in RCA: 6] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 01/25/2022] [Accepted: 07/07/2022] [Indexed: 06/15/2023]
Abstract
Knowledge of the three-dimensional movement patterns of elasmobranchs is vital to understand their ecological roles and exposure to anthropogenic pressures. To date, comparative studies among species at global scales have mostly focused on horizontal movements. Our study addresses the knowledge gap of vertical movements by compiling the first global synthesis of vertical habitat use by elasmobranchs from data obtained by deployment of 989 biotelemetry tags on 38 elasmobranch species. Elasmobranchs displayed high intra- and interspecific variability in vertical movement patterns. Substantial vertical overlap was observed for many epipelagic elasmobranchs, indicating an increased likelihood to display spatial overlap, biologically interact, and share similar risk to anthropogenic threats that vary on a vertical gradient. We highlight the critical next steps toward incorporating vertical movement into global management and monitoring strategies for elasmobranchs, emphasizing the need to address geographic and taxonomic biases in deployments and to concurrently consider both horizontal and vertical movements.
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Affiliation(s)
| | - Tim C.D. Lucas
- Department of Health Sciences, University of Leicester, Leicester, UK
| | | | - Nigel E. Hussey
- Department of Integrative Biology, University of Windsor, Windsor, ON, Canada
| | - Amelia J. Armstrong
- School of Biomedical Sciences, The University of Queensland, St Lucia, QLD, Australia
| | - Aaron Carlisle
- School of Marine Science and Policy, University of Delaware, Lewes, DE, USA
| | - Daniel M. Coffey
- Harte Research Institute for Gulf of Mexico Studies, Texas A&M University-Corpus Christi, Corpus Christi, TX, USA
| | - Adrian C. Gleiss
- Centre for Sustainable Aquatic Ecosystems, Harry Butler Institute, Murdoch University, Murdoch, WA, Australia
- Environmental and Conservation Sciences, Murdoch University, Murdoch, WA, Australia
| | - Charlie Huveneers
- Southern Shark Ecology Group, College of Science and Engineering, Flinders University, Adelaide, SA, Australia
| | - David M. P. Jacoby
- Lancaster Environment Centre, Lancaster University, Lancaster, UK
- Zoological Society of London, London, UK
| | - Mark G. Meekan
- Australian Institute of Marine Science, Indian Ocean Marine Research Centre, Crawley, WA, Australia
| | - Johann Mourier
- School of Natural Sciences, Macquarie University, Sydney, NSW, Australia
- UMS 3514 Plateforme Marine Stella Mare, Université de Corse Pasquale Paoli, Biguglia, France
| | - Lauren R. Peel
- The Manta Trust, Catemwood House, Corscombe, Dorset, UK
- Save Our Seas Foundation–D’Arros Research Centre, Geneva, Switzerland
| | - Kátya Abrantes
- College of Science and Engineering, James Cook University, Townsville, QLD, Australia
- Biopixel Oceans Foundation, Cairns, QLD, Australia
| | - André S. Afonso
- Marine and Environmental Sciences Centre, Department of Life Sciences, University of Coimbra, Coimbra, Portugal
- Departamento de Pesca e Aquicultura, Universidade Federal Rural de Pernambuco, Recife, PE, Brazil
| | - Matthew J. Ajemian
- Harbor Branch Oceanographic Institute, Florida Atlantic University, Fort Pierce, FL, USA
| | - Brooke N. Anderson
- New College of Interdisciplinary Arts and Sciences, Arizona State University, Phoenix, AZ, USA
| | | | - Gonzalo Araujo
- Environmental Science Program, Department of Biological and Environmental Sciences, College of Arts and Sciences, Qatar University, Doha, Qatar
- Marine Research and Conservation Foundation, Lydeard St Lawrence, Somerset, UK
| | - Asia O. Armstrong
- School of Biomedical Sciences, The University of Queensland, St Lucia, QLD, Australia
| | - Pascal Bach
- MARBEC, University of Montpellier, CNRS, Ifremer, IRD, Sète, France
| | - Adam Barnett
- College of Science and Engineering, James Cook University, Townsville, QLD, Australia
- Biopixel Oceans Foundation, Cairns, QLD, Australia
| | - Mike B. Bennett
- School of Biomedical Sciences, The University of Queensland, St Lucia, QLD, Australia
| | - Natalia A. Bezerra
- Departamento de Pesca e Aquicultura, Universidade Federal Rural de Pernambuco, Recife, PE, Brazil
- Departamento de Oceanografia e Ecologia, Universidade Federal do Espirito Santo, Vitória, ES, Brazil
| | - Ramon Bonfil
- El Colegio de la Frontera Sur (ECOSUR)–Unidad Chetumal, Chetumal, Quintana Roo, Mexico
- Océanos Vivientes A.C., Mexico City, Mexico
| | - Andre M. Boustany
- Monterey Bay Aquarium, Monterey, CA, USA
- Nicholas School of the Environment, Duke University, Durham, NC, USA
| | - Heather D. Bowlby
- Fisheries and Oceans Canada, Bedford Institute of Oceanography, Dartmouth, NS, Canada
| | - Ilka Branco
- Departamento de Pesca e Aquicultura, Universidade Federal Rural de Pernambuco, Recife, PE, Brazil
| | - Camrin D. Braun
- Biology Department, Woods Hole Oceanographic Institution, Woods Hole, MA, USA
| | | | - Judith Brown
- Ascension Island Government Conservation and Fisheries Department, Georgetown, Ascension Island, UK
| | - Patrick J. Burke
- School of Natural Sciences, Macquarie University, Sydney, NSW, Australia
| | - Paul Butcher
- NSW Department of Primary Industries–Fisheries Research, National Marine Science Centre, Coffs Harbour, NSW, Australia
| | | | - Taylor K. Chapple
- Coastal Oregon Marine Experiment Station, Oregon State University, Newport, OR, USA
| | - Olivier Chateau
- Laboratory of Marine Biology and Ecology, Aquarium des Lagons, Nouméa, New Caledonia
| | | | - Rui Coelho
- Portuguese Institute for the Ocean and Atmosphere, I.P. (IPMA), Olhão, Algarve, Portugal
- Centre of Marine Sciences of the Algarve, Universidade do Algarve, Faro, Algarve, Portugal
| | - Enric Cortes
- Southeast Fisheries Science Center, NOAA Fisheries, Panama City, FL, USA
| | | | - Paul D. Cowley
- South African Institute for Aquatic Biodiversity, Makhanda, South Africa
| | - Donald A. Croll
- Department of Ecology and Evolutionary Biology, University of California, Santa Cruz, Santa Cruz, CA, USA
| | - Juan M. Cuevas
- Wildlife Conservation Society Argentina, Ciudad Autónoma de Buenos Aires, Argentina
- División Zoología de Vertebrados, Museo de La Plata, Universidad Nacional de la Plata, La Plata, Buenos Aires, Argentina
| | - Tobey H. Curtis
- Atlantic Highly Migratory Species Management Division, NOAA Fisheries, Gloucester, MA, USA
| | - Laurent Dagorn
- MARBEC, University of Montpellier, CNRS, Ifremer, IRD, Sète, France
| | - Jonathan J. Dale
- Hopkins Marine Station, Stanford University, Pacific Grove, CA, USA
| | - Ryan Daly
- South African Institute for Aquatic Biodiversity, Makhanda, South Africa
- Oceanographic Research Institute, Durban, South Africa
| | - Heidi Dewar
- Southwest Fisheries Science Center, NOAA Fisheries, La Jolla, CA, USA
| | - Philip D. Doherty
- Environment and Sustainability Institute, University of Exeter, Penryn, Cornwall, UK
- Centre for Ecology and Conservation, College of Life and Environmental Sciences, University of Exeter, Penryn, Cornwall, UK
| | - Andrés Domingo
- Laboratorio de Recursos Pelágicos, Dirección Nacional de Recursos Acuáticos (DINARA), Montevideo, Uruguay
| | | | - Michael Drew
- Southern Shark Ecology Group, College of Science and Engineering, Flinders University, Adelaide, SA, Australia
- SARDI Aquatic Sciences, Adelaide, SA, Australia
| | - Christine L. Dudgeon
- School of Biomedical Sciences, The University of Queensland, St Lucia, QLD, Australia
- School of Science, Technology and Engineering, The University of the Sunshine Coast, Maroochydore, QLD, Australia
| | | | - Riley G. Elliott
- Institute of Marine Science, The University of Auckland, Auckland, New Zealand
| | - Jim R. Ellis
- Centre for Environment, Fisheries and Aquaculture Science, Lowestoft, Suffolk, UK
| | | | - Thomas J. Farrugia
- College of Fisheries and Ocean Sciences, University of Alaska Fairbanks, Fairbanks, AK, USA
- Alaska Ocean Observing System, Anchorage, AK, USA
| | - Luciana C. Ferreira
- Australian Institute of Marine Science, Indian Ocean Marine Research Centre, Crawley, WA, Australia
| | - Francesco Ferretti
- Department of Fish and Wildlife Conservation, Virginia Tech, Blacksburg, VA, USA
| | - John D. Filmalter
- South African Institute for Aquatic Biodiversity, Makhanda, South Africa
| | - Brittany Finucci
- National Institute of Water and Atmospheric Research (NIWA), Wellington, New Zealand
| | | | - Richard Fitzpatrick
- Biopixel Oceans Foundation, Cairns, QLD, Australia
- College of Science and Engineering, James Cook University, Cairns, QLD, Australia
| | - Fabien Forget
- MARBEC, University of Montpellier, CNRS, Ifremer, IRD, Sète, France
| | | | - Malcolm P. Francis
- National Institute of Water and Atmospheric Research (NIWA), Wellington, New Zealand
| | - Bryan R. Franks
- Marine Science Research Institute, Jacksonville University, Jacksonville, FL, USA
| | | | - Felipe Galvan-Magana
- Instituto Politecnico Nacional, Centro Interdisciplinario de Ciencias Marinas, La Paz, Baja California Sur, Mexico
| | - Mirta L. García
- Museo de La Plata, Universidad Nacional de la Plata, La Plata, Buenos Aires, Argentina
- Consejo Nacional de Investigaciones Científicas y Técnicas, Buenos Aires, Argentina
| | - Troy F. Gaston
- College of Engineering, Science and Environment, University of Newcastle, Ourimbah, NSW, Australia
| | - Bronwyn M. Gillanders
- Southern Seas Ecology Laboratories, School of Biological Sciences, University of Adelaide, Adelaide, SA, Australia
| | | | - Jonathan R. Green
- Galapagos Whale Shark Project, Puerto Ayora, Santa Cruz Island, Galapagos, Ecuador
| | - Sofia Green
- Galapagos Whale Shark Project, Puerto Ayora, Santa Cruz Island, Galapagos, Ecuador
| | - Christopher A. Griffiths
- Centre for Environment, Fisheries and Aquaculture Science, Lowestoft, Suffolk, UK
- Ecology and Evolutionary Biology, School of Biosciences, University of Sheffield, Sheffield, UK
- Swedish University of Agricultural Sciences, Department of Aquatic Resources, Institute of Marine Research, Lysekil, Sweden
| | - Neil Hammerschlag
- Rosenstiel School of Marine and Atmospheric Science, University of Miami, Miami, FL, USA
| | - Abdi Hasan
- Yayasan Konservasi Indonesia, Sorong, West Papua, Indonesia
| | - Lucy A. Hawkes
- College of Life and Environmental Science, Hatherly Laboratories, University of Exeter, Exeter, Devon, UK
| | - Fabio Hazin
- Departamento de Pesca e Aquicultura, Universidade Federal Rural de Pernambuco, Recife, PE, Brazil
| | - Matthew Heard
- Southern Shark Ecology Group, College of Science and Engineering, Flinders University, Adelaide, SA, Australia
- SARDI Aquatic Sciences, Adelaide, SA, Australia
- Conservation and Wildlife Branch, Department for Environment and Water, Adelaide, SA, Australia
| | - Alex Hearn
- Migramar, Forest Knolls, CA, USA
- Galapagos Whale Shark Project, Puerto Ayora, Santa Cruz Island, Galapagos, Ecuador
- Galapagos Science Center, Department of Biological Sciences, Universidad San Francisco de Quito, Quito, Ecuador
| | | | | | | | - Kim N. Holland
- Hawaii Institute of Marine Biology, University of Hawaii at Manoa, Kaneohe, HI, USA
| | - Lucy A. Howey
- Johns Hopkins University, Baltimore, MD, USA
- Haiti Ocean Project, Petite Riviere de Nippes, Haiti
| | - Robert E. Hueter
- OCEARCH, Park City, UT, USA
- Mote Marine Laboratory, Sarasota, FL, USA
| | | | - Melanie Hutchinson
- Hawaii Institute of Marine Biology, University of Hawaii at Manoa, Kaneohe, HI, USA
- Joint Institute for Marine and Atmospheric Research, Honolulu, HI, USA
| | - Fabrice R. A. Jaine
- School of Natural Sciences, Macquarie University, Sydney, NSW, Australia
- Sydney Institute of Marine Science, Mosman, NSW, Australia
| | - Salvador J. Jorgensen
- Institute of Marine Sciences, University of California, Santa Cruz, Santa Cruz, CA, USA
| | - Paul E. Kanive
- Department of Ecology, Montana State University, Bozeman, MT, USA
| | - Jessica Labaja
- Large Marine Vertebrates Research Institute Philippines, Jagna, Bohol, Philippines
| | - Fernanda O. Lana
- Departamento de Pesca e Aquicultura, Universidade Federal Rural de Pernambuco, Recife, PE, Brazil
| | - Hugo Lassauce
- The Manta Trust, Catemwood House, Corscombe, Dorset, UK
- ISEA, University of New Caledonia, Nouméa, New Caledonia
- Conservation International New Caledonia, Nouméa, New Caledonia
| | - Rebecca S. Lipscombe
- National Marine Science Centre, Southern Cross University, Coffs Harbour, NSW, Australia
| | | | - Bruno C. L. Macena
- Departamento de Pesca e Aquicultura, Universidade Federal Rural de Pernambuco, Recife, PE, Brazil
- Okeanos Centre, University of the Azores, Horta, Faial, Portugal
| | | | - Jaime D. McAllister
- Institute for Marine and Antarctic Studies, University of Tasmania, Hobart, TAS, Australia
| | | | | | - Matthew N. McMillan
- Southern Seas Ecology Laboratories, School of Biological Sciences, University of Adelaide, Adelaide, SA, Australia
- Queensland Department of Agriculture and Fisheries, Brisbane, QLD, Australia
| | | | - Sibele A. Mendonça
- Departamento de Pesca e Aquicultura, Universidade Federal Rural de Pernambuco, Recife, PE, Brazil
| | - Carl G. Meyer
- Hawaii Institute of Marine Biology, University of Hawaii at Manoa, Kaneohe, HI, USA
| | - Megan Meyers
- Australian Institute of Marine Science, Indian Ocean Marine Research Centre, Crawley, WA, Australia
| | - John A. Mohan
- School of Marine and Environmental Programs, University of New England, Biddeford, ME, USA
| | - John C. Montgomery
- Institute of Marine Science, The University of Auckland, Auckland, New Zealand
| | - Gonzalo Mucientes
- Instituto de Investigacions Marinas, Consejo Superior de Investigaciones Científicas, Vigo, Galicia, Spain
- CIBIO, Centro de Investigação em Biodiversidade e Recursos Genéticos, InBIO Laboratório Associado, Universidade do Porto, Vairao, Portugal
| | | | - Nicole Nasby-Lucas
- Southwest Fisheries Science Center, NOAA Fisheries, La Jolla, CA, USA
- Institute of Marine Sciences, University of California, Santa Cruz, Santa Cruz, CA, USA
| | | | | | - Paulo Oliveira
- Departamento de Pesca e Aquicultura, Universidade Federal Rural de Pernambuco, Recife, PE, Brazil
| | - Yannis P. Papastamtiou
- Institute of the Environment, Department of Biological Science, Florida International University, North Miami, FL, USA
| | | | | | - Nuno Queiroz
- CIBIO, Centro de Investigação em Biodiversidade e Recursos Genéticos, InBIO Laboratório Associado, Universidade do Porto, Vairao, Portugal
- BIOPOLIS Program in Genomics, Biodiversity and Land Planning, Vairao, Portugal
| | - Craig A. Radford
- Institute of Marine Science, The University of Auckland, Auckland, New Zealand
| | - Andy J. Richardson
- Ascension Island Government Conservation and Fisheries Department, Georgetown, Ascension Island, UK
| | - Anthony J. Richardson
- School of Mathematics and Physics, The University of Queensland, St Lucia, QLD, Australia
- CSIRO Oceans and Atmosphere, St Lucia, QLD, Australia
| | - David Righton
- Centre for Environment, Fisheries and Aquaculture Science, Lowestoft, Suffolk, UK
- School of Environmental Sciences, University of East Anglia, Norwich, UK
| | | | - Mark A. Royer
- Hawaii Institute of Marine Biology, University of Hawaii at Manoa, Kaneohe, HI, USA
| | | | | | | | - Michael C. Scholl
- Bimini Biological Field Station Foundation, Bimini, The Bahamas
- IUCN SSC Shark Specialist Group, Gland, Vaud, Switzerland
- Aquarium-Muséum Universitaire de Liège, University of Liège, Liège, Wallonia, Belgium
| | - Andrew C. Seitz
- College of Fisheries and Ocean Sciences, University of Alaska Fairbanks, Fairbanks, AK, USA
| | - Jayson M. Semmens
- Institute for Marine and Antarctic Studies, University of Tasmania, Hobart, TAS, Australia
| | - Edy Setyawan
- The Manta Trust, Catemwood House, Corscombe, Dorset, UK
- Institute of Marine Science, The University of Auckland, Auckland, New Zealand
| | - Brendan D. Shea
- Department of Fish and Wildlife Conservation, Virginia Tech, Blacksburg, VA, USA
- Beneath the Waves, Herndon, VA, USA
| | - Rafid A. Shidqi
- Coastal Science and Policy Program, University of California, Santa Cruz, Santa Cruz, CA, USA
- Thresher Shark Project Indonesia, Alor Island, East Nusa Tenggara, Indonesia
| | - George L. Shillinger
- Hopkins Marine Station, Stanford University, Pacific Grove, CA, USA
- Migramar, Forest Knolls, CA, USA
- Upwell, Monterey, CA, USA
| | | | - Mahmood S. Shivji
- Guy Harvey Research Institute, Nova Southeastern University, Fort Lauderdale, FL, USA
| | - Abraham B. Sianipar
- Centre for Sustainable Aquatic Ecosystems, Harry Butler Institute, Murdoch University, Murdoch, WA, Australia
| | - Joana F. Silva
- Centre for Environment, Fisheries and Aquaculture Science, Lowestoft, Suffolk, UK
| | - David W. Sims
- The Marine Biological Association, Plymouth, UK
- Ocean and Earth Science, National Oceanography Centre Southampton, University of Southampton, Southampton, UK
| | | | - Lara L. Sousa
- Wildlife Conservation Research Unit, Recanati-Kaplan Centre, Department of Zoology, Oxford University, Oxford, UK
| | | | - Julia L. Y. Spaet
- Evolutionary Ecology Group, Department of Zoology, University of Cambridge, Cambridge, Cambridgeshire, UK
| | | | - Guy Stevens
- The Manta Trust, Catemwood House, Corscombe, Dorset, UK
| | - Joshua D. Stewart
- The Manta Trust, Catemwood House, Corscombe, Dorset, UK
- Marine Mammal Institute, Department of Fisheries, Wildlife, and Conservation Sciences, Hatfield Marine Science Center, Oregon State University, Newport, OR, USA
| | - James A. Sulikowski
- New College of Interdisciplinary Arts and Sciences, Arizona State University, Phoenix, AZ, USA
| | | | - Simon R. Thorrold
- Biology Department, Woods Hole Oceanographic Institution, Woods Hole, MA, USA
| | - Michele Thums
- Australian Institute of Marine Science, Indian Ocean Marine Research Centre, Crawley, WA, Australia
| | - David Tickler
- Marine Futures Lab, School of Biological Science, The University of Western Australia, Crawley, WA, Australia
| | | | - Kathy A. Townsend
- School of Science, Technology and Engineering, The University of the Sunshine Coast, Hervey Bay, QLD, Australia
| | - Paulo Travassos
- Departamento de Pesca e Aquicultura, Universidade Federal Rural de Pernambuco, Recife, PE, Brazil
| | - John P. Tyminski
- OCEARCH, Park City, UT, USA
- Mote Marine Laboratory, Sarasota, FL, USA
| | - Jeremy J. Vaudo
- Guy Harvey Research Institute, Nova Southeastern University, Fort Lauderdale, FL, USA
| | - Drausio Veras
- Unidade Acadêmica de Serra Talhada, Universidade Federal Rural de Pernambuco, Serra Talhada, PE, Brazil
| | | | - Sam B. Weber
- Ascension Island Government Conservation and Fisheries Department, Georgetown, Ascension Island, UK
- Centre for Ecology and Conservation, College of Life and Environmental Sciences, University of Exeter, Penryn, Cornwall, UK
| | - R.J. David Wells
- Department of Marine Biology, Texas A&M University at Galveston, Galveston, TX, USA
| | - Kevin C. Weng
- Fisheries Science, Virginia Institute of Marine Science, College of William and Mary, Gloucester Point, VA, USA
| | - Bradley M. Wetherbee
- Guy Harvey Research Institute, Nova Southeastern University, Fort Lauderdale, FL, USA
- University of Rhode Island, Kingston, RI, USA
| | - Jane E. Williamson
- School of Natural Sciences, Macquarie University, Sydney, NSW, Australia
| | - Matthew J. Witt
- Environment and Sustainability Institute, University of Exeter, Penryn, Cornwall, UK
- College of Life and Environmental Science, Hatherly Laboratories, University of Exeter, Exeter, Devon, UK
| | - Serena Wright
- Centre for Environment, Fisheries and Aquaculture Science, Lowestoft, Suffolk, UK
| | - Kelly Zilliacus
- Department of Ecology and Evolutionary Biology, University of California, Santa Cruz, Santa Cruz, CA, USA
| | - Barbara A. Block
- Hopkins Marine Station, Stanford University, Pacific Grove, CA, USA
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19
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Lagassé BJ, Lanctot RB, Brown S, Dondua AG, Kendall S, Latty CJ, Liebezeit JR, Loktionov EY, Maslovsky KS, Matsyna AI, Matsyna EL, McGuire RL, Payer DC, Saalfeld ST, Slaght JC, Solovyeva DV, Tomkovich PS, Valchuk OP, Wunder MB. Migratory network reveals unique spatial-temporal migration dynamics of Dunlin subspecies along the East Asian-Australasian Flyway. PLoS One 2022; 17:e0270957. [PMID: 35925977 PMCID: PMC9352067 DOI: 10.1371/journal.pone.0270957] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/25/2022] [Accepted: 06/22/2022] [Indexed: 11/18/2022] Open
Abstract
Determining the dynamics of where and when individuals occur is necessary to understand population declines and identify critical areas for populations of conservation concern. However, there are few examples where a spatially and temporally explicit model has been used to evaluate the migratory dynamics of a bird population across its entire annual cycle. We used geolocator-derived migration tracks of 84 Dunlin (Calidris alpina) on the East Asian-Australasian Flyway (EAAF) to construct a migratory network describing annual subspecies-specific migration patterns in space and time. We found that Dunlin subspecies exhibited unique patterns of spatial and temporal flyway use. Spatially, C. a. arcticola predominated in regions along the eastern edge of the flyway (e.g., western Alaska and central Japan), whereas C. a. sakhalina predominated in regions along the western edge of the flyway (e.g., N China and inland China). No individual Dunlin that wintered in Japan also wintered in the Yellow Sea, China seas, or inland China, and vice-versa. However, similar proportions of the 4 subspecies used many of the same regions at the center of the flyway (e.g., N Sakhalin Island and the Yellow Sea). Temporally, Dunlin subspecies staggered their south migrations and exhibited little temporal overlap among subspecies within shared migration regions. In contrast, Dunlin subspecies migrated simultaneously during north migration. South migration was also characterized by individuals stopping more often and for more days than during north migration. Taken together, these spatial-temporal migration dynamics indicate Dunlin subspecies may be differentially affected by regional habitat change and population declines according to where and when they occur. We suggest that the migration dynamics presented here are useful for guiding on-the-ground survey efforts to quantify subspecies’ use of specific sites, and to estimate subspecies’ population sizes and long-term trends. Such studies would significantly advance our understanding of Dunlin space-time dynamics and the coordination of Dunlin conservation actions across the EAAF.
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Affiliation(s)
- Benjamin J. Lagassé
- Department of Integrative Biology, University of Colorado Denver, Denver, CO, United States of America
- * E-mail:
| | - Richard B. Lanctot
- Division of Migratory Bird Management, U.S. Fish and Wildlife Service, Anchorage, AK, United States of America
| | - Stephen Brown
- Manomet, Inc., Saxtons River, VT, United States of America
| | | | - Steve Kendall
- Arctic National Wildlife Refuge, U.S. Fish and Wildlife Service, Fairbanks, AK, United States of America
| | - Christopher J. Latty
- Arctic National Wildlife Refuge, U.S. Fish and Wildlife Service, Fairbanks, AK, United States of America
| | | | | | - Konstantin S. Maslovsky
- Federal Scientific Center of the East Asia Terrestrial Biodiversity, Far Eastern Branch of the Russian Academy of Sciences, Vladivostok, Russia
| | | | | | - Rebecca L. McGuire
- Arctic Beringia Regional Program, Wildlife Conservation Society, Fairbanks, AK, United States of America
| | - David C. Payer
- Arctic National Wildlife Refuge, U.S. Fish and Wildlife Service, Fairbanks, AK, United States of America
| | - Sarah T. Saalfeld
- Division of Migratory Bird Management, U.S. Fish and Wildlife Service, Anchorage, AK, United States of America
| | - Jonathan C. Slaght
- Arctic Beringia Regional Program, Wildlife Conservation Society, Fairbanks, AK, United States of America
| | | | | | - Olga P. Valchuk
- Federal Scientific Center of the East Asia Terrestrial Biodiversity, Far Eastern Branch of the Russian Academy of Sciences, Vladivostok, Russia
| | - Michael B. Wunder
- Department of Integrative Biology, University of Colorado Denver, Denver, CO, United States of America
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20
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Variation in migration behaviors used by Arctic Terns (Sterna paradisaea) breeding across a wide latitudinal gradient. Polar Biol 2022. [DOI: 10.1007/s00300-022-03043-2] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/18/2022]
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21
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Lathouwers M, Artois T, Dendoncker N, Beenaerts N, Conway G, Henderson I, Kowalczyk C, Davaasuren B, Bayrgur S, Shewring M, Cross T, Ulenaers E, Liechti F, Evens R. Rush or relax: migration tactics of a nocturnal insectivore in response to ecological barriers. Sci Rep 2022; 12:4964. [PMID: 35322145 PMCID: PMC8943004 DOI: 10.1038/s41598-022-09106-y] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/15/2021] [Accepted: 03/15/2022] [Indexed: 12/02/2022] Open
Abstract
During their annual migration, avian migrants alternate stopover periods, for refuelling, with migratory flight bouts. We hypothesise that European Nightjars (Caprimulgus europaeus) adapt their daily migration tactics in association with biomes. We tracked the autumn migration of 24 European Nightjars, from breeding populations in Mongolia, Belgium and UK, using GPS-loggers and multi-sensor data loggers. We quantified crepuscular and nocturnal migration and foraging probabilities, as well as daily travel speed and flight altitude during active migration in response to biomes. Nightjars adopt a rush tactic, reflected in high daily travel speed, flight altitude and high migration probabilities at dusk and at night, when travelling through ecological barriers. Migration is slower in semi-open, hospitable biomes. This is reflected in high foraging probabilities at dusk, lower daily travel speed and lower migration probabilities at dusk. Our study shows how nightjars switch migration tactics during autumn migration, and suggest nightjars alternate between feeding and short migratory flight bouts within the same night when travelling through suitable habitats. How this may affect individuals’ fuel stores and whether different biomes provide refuelling opportunities en route remains to be investigated, to understand how future land-use change may affect migration patterns and survival probabilities.
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Affiliation(s)
- Michiel Lathouwers
- Research Group: Zoology, Biodiversity and Toxicology, Centre for Environmental Sciences, Hasselt University, Campus Diepenbeek, Agoralaan, Gebouw D, 3590, Diepenbeek, Belgium. .,Department of Geography, Institute of Life, Earth and Environment (ILEE), University of Namur, Rue de Bruxelles 61, 5000, Namur, Belgium.
| | - Tom Artois
- Research Group: Zoology, Biodiversity and Toxicology, Centre for Environmental Sciences, Hasselt University, Campus Diepenbeek, Agoralaan, Gebouw D, 3590, Diepenbeek, Belgium
| | - Nicolas Dendoncker
- Department of Geography, Institute of Life, Earth and Environment (ILEE), University of Namur, Rue de Bruxelles 61, 5000, Namur, Belgium
| | - Natalie Beenaerts
- Research Group: Zoology, Biodiversity and Toxicology, Centre for Environmental Sciences, Hasselt University, Campus Diepenbeek, Agoralaan, Gebouw D, 3590, Diepenbeek, Belgium
| | - Greg Conway
- British Trust for Ornithology, The Nunnery, Thetford, Norfolk, IP24 2PU, UK
| | - Ian Henderson
- British Trust for Ornithology, The Nunnery, Thetford, Norfolk, IP24 2PU, UK
| | - Céline Kowalczyk
- Research Group: Zoology, Biodiversity and Toxicology, Centre for Environmental Sciences, Hasselt University, Campus Diepenbeek, Agoralaan, Gebouw D, 3590, Diepenbeek, Belgium
| | | | - Soddelgerekh Bayrgur
- Department of Biology, Mongolian National University of Education, Ulaanbaatar, Mongolia
| | - Mike Shewring
- School of Biosciences, Cardiff University, Cardiff, UK.,MPS Ecology, Heol y Cyw, Bridgend, UK
| | | | - Eddy Ulenaers
- Agentschap Natuur en Bos, Regio Noord-Limburg, Herman Teirlinck Havenlaan 88 bus 75, 1000, Brussels, Belgium
| | - Felix Liechti
- Swiss Ornithological Institute, Seerose 1, 6204, Sempach, Switzerland
| | - Ruben Evens
- Max Planck Institute for Ornithology, Eberhard-Gwinner-Straße, 82319, Seewiesen, Germany.,Department of Biology, Behavioural Ecology and Ecophysiology, University of Antwerp, Universiteitsplein 1, 2610, Wilrijk, Belgium
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22
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Werfeli M, Ranacher P, Liechti F. Gone with the wind: inferring bird migration with light‐level geolocation, wind and activity measurements. Methods Ecol Evol 2022. [DOI: 10.1111/2041-210x.13837] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/30/2022]
Affiliation(s)
- Mike Werfeli
- Department of Geography University of Zurich Winterthurerstrasse 190, 8057 Zurich Switzerland
- Swiss Ornithological Institute Seerose 1, 6203 Sempach Switzerland
| | - Peter Ranacher
- Department of Geography University of Zurich Winterthurerstrasse 190, 8057 Zurich Switzerland
| | - Felix Liechti
- Swiss Ornithological Institute Seerose 1, 6203 Sempach Switzerland
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23
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Revealing migratory path, important stopovers and non-breeding areas of a boreal songbird in steep decline. ANIMAL MIGRATION 2021. [DOI: 10.1515/ami-2020-0116] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/15/2022] Open
Abstract
Abstract
The Olive-sided Flycatcher (Contopus cooperi) is a steeply declining aerial insectivore with one of the longest migrations of any North American passerine. We deployed light-level geolocators and archival GPS tags on breeders in boreal Alaska to determine migratory routes, important stopovers and non-breeding locations. Data from 16 individuals revealed a median 23,555 km annual journey (range: 19,387, 27,292 km) over 95 days (range: 83, 139 days) with wintering occurring in three regions of South America (NW Colombia/Ecuador, central Peru and W Brazil/S Peru). We developed a new method to identify “Important Stopovers” by quantifying intensity of use (a function of bird numbers and stop durations) along migratory routes. We identified 13 Important Stopovers that accounted for ~66% of the annual migratory period, suggestive of refueling activities. Some sites coincided with key areas previously identified for other Neotropical-Nearctic migrants. Percent land “protected” at Important Stopovers, as defined by IUCN, ranged from 3.8% to 49.3% (mean [95% CI]: 17.3% [9.6, 25.0]). Total migration speed did not differ by season (median: 255 km day-1, range: 182, 295km day-1), despite greater spring travel distances. Birds with longer non-breeding periods, however, migrated north faster. Climate-driven mismatches in migratory timing may be less of a concern for western than for eastern flycatcher populations, given recent con-generic analyses (C. sordidulus, C. virens). However, accelerated high-latitude changes, may nonetheless impact boreal breeders.
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24
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Kays R, Davidson SC, Berger M, Bohrer G, Fiedler W, Flack A, Hirt J, Hahn C, Gauggel D, Russell B, Kölzsch A, Lohr A, Partecke J, Quetting M, Safi K, Scharf A, Schneider G, Lang I, Schaeuffelhut F, Landwehr M, Storhas M, Schalkwyk L, Vinciguerra C, Weinzierl R, Wikelski M. The Movebank system for studying global animal movement and demography. Methods Ecol Evol 2021. [DOI: 10.1111/2041-210x.13767] [Citation(s) in RCA: 14] [Impact Index Per Article: 4.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
Affiliation(s)
- Roland Kays
- North Carolina Museum of Natural Sciences Raleigh NC USA
- Department of Forestry and Environmental Resources North Carolina State University Raleigh NC USA
- Smithsonian Tropical Research Institute Balboa Panamá
| | - Sarah C. Davidson
- Department of Animal Migration Max Plank Institute of Animal Behaviour Radolfzell Germany
- Department of Biology University of Konstanz Konstanz Germany
- Civil, Environmental and Geodetic Engineering Ohio State University Columbus OH USA
| | | | - Gil Bohrer
- Civil, Environmental and Geodetic Engineering Ohio State University Columbus OH USA
| | - Wolfgang Fiedler
- Department of Animal Migration Max Plank Institute of Animal Behaviour Radolfzell Germany
- Department of Biology University of Konstanz Konstanz Germany
| | - Andrea Flack
- Department of Animal Migration Max Plank Institute of Animal Behaviour Radolfzell Germany
- Department of Biology University of Konstanz Konstanz Germany
- Centre for the Advanced Study of Collective Behaviour University of Konstanz Konstanz Germany
| | | | | | | | | | - Andrea Kölzsch
- Department of Animal Migration Max Plank Institute of Animal Behaviour Radolfzell Germany
- Department of Biology University of Konstanz Konstanz Germany
| | - Ashley Lohr
- North Carolina Museum of Natural Sciences Raleigh NC USA
| | - Jesko Partecke
- Department of Animal Migration Max Plank Institute of Animal Behaviour Radolfzell Germany
- Department of Biology University of Konstanz Konstanz Germany
| | - Michael Quetting
- Department of Animal Migration Max Plank Institute of Animal Behaviour Radolfzell Germany
| | - Kamran Safi
- Department of Animal Migration Max Plank Institute of Animal Behaviour Radolfzell Germany
- Department of Biology University of Konstanz Konstanz Germany
| | - Anne Scharf
- Department of Animal Migration Max Plank Institute of Animal Behaviour Radolfzell Germany
| | - Gabriel Schneider
- Communication, Information, Media Centre University of Konstanz Konstanz Germany
| | - Ilona Lang
- Communication, Information, Media Centre University of Konstanz Konstanz Germany
| | | | - Matthias Landwehr
- Communication, Information, Media Centre University of Konstanz Konstanz Germany
| | | | - Louis Schalkwyk
- Department of Animal Migration Max Plank Institute of Animal Behaviour Radolfzell Germany
- Department of Agriculture Land Reform and Rural Development Skukuza South Africa
- Department of Veterinary Tropical Diseases Faculty of Veterinary Science University of Pretoria Onderstepoort South Africa
| | | | - Rolf Weinzierl
- Department of Agriculture Land Reform and Rural Development Skukuza South Africa
| | - Martin Wikelski
- Smithsonian Tropical Research Institute Balboa Panamá
- Department of Animal Migration Max Plank Institute of Animal Behaviour Radolfzell Germany
- Department of Biology University of Konstanz Konstanz Germany
- Am Fügsee 29 Seehausen am Staffelsee Germany
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25
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Linking migratory performance to breeding phenology and productivity in an Afro-Palearctic long-distance migrant. Sci Rep 2021; 11:23258. [PMID: 34853345 PMCID: PMC8636482 DOI: 10.1038/s41598-021-01734-0] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/11/2020] [Accepted: 05/31/2021] [Indexed: 11/24/2022] Open
Abstract
Understanding the relationship between migratory performance and fitness is crucial for predicting population dynamics of migratory species. In this study, we used geolocators to explore migration performance (speed and duration of migratory movements, migratory timings) and its association with breeding phenology and productivity in an Afro-Palearctic insectivore, the European bee-eater (Merops apiaster), breeding in Iberian Peninsula. Bee-eaters migrated at higher travel speeds and had shorter travel duration in spring compared to autumn. Individuals that departed earlier or spent fewer days in-flight arrived earlier to the breeding areas. Our results show overall positive, but year-specific, linkages between arrival and laying dates. In one year, laying was earlier and productivity was higher, remaining constant throughout the season, while in the subsequent year productivity was lower and, importantly, declined with laying date. These results suggest that arriving earlier can be advantageous for bee-eaters, as in years when breeding conditions are favourable, early and late breeders produce high and similar number of fledglings, but when conditions are unfavourable only early breeders experience high productivity levels.
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26
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Dufour P, de Franceschi C, Doniol-Valcroze P, Jiguet F, Guéguen M, Renaud J, Lavergne S, Crochet PA. A new westward migration route in an Asian passerine bird. Curr Biol 2021; 31:5590-5596.e4. [PMID: 34687610 DOI: 10.1016/j.cub.2021.09.086] [Citation(s) in RCA: 18] [Impact Index Per Article: 6.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/18/2021] [Revised: 09/13/2021] [Accepted: 09/29/2021] [Indexed: 10/20/2022]
Abstract
The evolution of migration routes in birds remains poorly understood as changes in migration strategies are rarely observed on contemporary timescales.1-3 The Richard's Pipit Anthus richardi, a migratory songbird breeding in Siberian grasslands and wintering in Southeast Asia, has only recently become a regular autumn and winter visitor to western Europe. Here, we examine whether this change in occurrence merely reflects an increase in the number of vagrants, that is, "lost" individuals that likely do not manage to return to their breeding grounds, or represents a new migratory strategy.4-6 We show that Richard's Pipits in southwestern Europe are true migrants: the same marked individuals return to southern France in subsequent winters and geo-localization tracking revealed that they originate from the western edge of the known breeding range. They make an astonishing 6,000 km journey from Central Asia across Eurasia, a very unusual longitudinal westward route among Siberian migratory birds.7,8 Climatic niche modeling using citizen-science bird data suggests that the winter niche suitability has increased in southwestern Europe, which may have led to increased winter survival and eventual successful return journey and reproduction of individuals that initially reached Europe as autumn vagrants. This illustrates that vagrancy may have an underestimated role in the emergence of new migratory routes and adaptation to global change in migratory birds.9,10 Whatever the underlying drivers and mechanisms, it constitutes one of the few documented contemporary changes in migration route, and the first longitudinal shift, in a long-distance migratory bird.
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Affiliation(s)
- Paul Dufour
- Université Grenoble Alpes, CNRS, Université Savoie Mont Blanc, LECA, 38000 Grenoble, France.
| | | | | | - Frédéric Jiguet
- CESCO, UMR7204 MNHN-CNRS-Sorbonne Université, CP135, 43 Rue Buffon, 75005 Paris, France
| | - Maya Guéguen
- Université Grenoble Alpes, CNRS, Université Savoie Mont Blanc, LECA, 38000 Grenoble, France
| | - Julien Renaud
- Université Grenoble Alpes, CNRS, Université Savoie Mont Blanc, LECA, 38000 Grenoble, France
| | - Sébastien Lavergne
- Université Grenoble Alpes, CNRS, Université Savoie Mont Blanc, LECA, 38000 Grenoble, France
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27
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Mancuso KA, Hodges KE, Alexander JD, Grosselet M, Bezener AM, Morales L, Martinez SC, Castellanos-Labarcena J, Russello MA, Rockwell SM, Bieber ME, Bishop CA. Migration and non-breeding ecology of the Yellow-breasted Chat Icteria virens. JOURNAL OF ORNITHOLOGY 2021; 163:37-50. [PMID: 35096508 PMCID: PMC8761137 DOI: 10.1007/s10336-021-01931-8] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 01/16/2021] [Revised: 07/08/2021] [Accepted: 09/15/2021] [Indexed: 06/14/2023]
Abstract
UNLABELLED Detailed information spanning the full annual cycle is lacking for most songbird populations. We examined breeding, migration, and non-breeding sites for the Yellow-breasted Chat (Icteria virens, chat). We deployed archival GPS tags and light-level geolocators on breeding chats in British Columbia and light-level geolocators in California from 2013 to 2017 to determine migration routes and non-breeding sites. We examined whether chats overwintered in protected areas and characterized the percent of land cover within 1 km. We used a combination of genetics and stable hydrogen isotopes from feathers collected on non-breeding chats in Nayarit, Mexico (2017-2019) and migrating chats in Chiapas, Mexico (2018) and Veracruz, Mexico (2014-2015) to determine subspecies and infer breeding location. Endangered chats in British Columbia followed the Pacific Flyway and spent the non-breeding period in Sinaloa and Nayarit, Mexico. Two out of five chats spent the non-breeding period in protected areas, and the most common landcover type used was tropical or subtropical broadleaf deciduous forest. We found no mixing of eastern and western chats in our Mexico sites, suggesting strong migratory connectivity at the subspecies level. Western chats likely originating from multiple breeding latitudes spent the non-breeding period in Nayarit. Eastern Yellow-breasted Chats likely breeding across various latitudes migrated through Veracruz and Chiapas. Our results provide precise migration routes and non-breeding locations, and describe habitat cover types for chats, notably an endangered population in British Columbia, which may be valuable for habitat protection and conservation efforts. SUPPLEMENTARY INFORMATION The online version contains supplementary material available at 10.1007/s10336-021-01931-8.
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Affiliation(s)
- Kristen A. Mancuso
- Department of Biology, University of British Columbia, Okanagan Campus, Kelowna, BC Canada
| | - Karen E. Hodges
- Department of Biology, University of British Columbia, Okanagan Campus, Kelowna, BC Canada
| | | | | | | | - Luis Morales
- Observatorio de Aves de San Pancho, San Francisco, Nayarit Mexico
| | | | - Jessica Castellanos-Labarcena
- Department of Biology, University of British Columbia, Okanagan Campus, Kelowna, BC Canada
- Department of Integrative Biology, University of Guelph, Guelph, ON Canada
| | - Michael A. Russello
- Department of Biology, University of British Columbia, Okanagan Campus, Kelowna, BC Canada
| | | | - Matthias E. Bieber
- Science and Technology Branch, Environment and Climate Change Canada, Delta, BC Canada
| | - Christine A. Bishop
- Science and Technology Branch, Environment and Climate Change Canada, Delta, BC Canada
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28
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Lahoz-Monfort JJ, Magrath MJL. A Comprehensive Overview of Technologies for Species and Habitat Monitoring and Conservation. Bioscience 2021; 71:1038-1062. [PMID: 34616236 PMCID: PMC8490933 DOI: 10.1093/biosci/biab073] [Citation(s) in RCA: 24] [Impact Index Per Article: 8.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/12/2022] Open
Abstract
The range of technologies currently used in biodiversity conservation is staggering, with innovative uses often adopted from other disciplines and being trialed in the field. We provide the first comprehensive overview of the current (2020) landscape of conservation technology, encompassing technologies for monitoring wildlife and habitats, as well as for on-the-ground conservation management (e.g., fighting illegal activities). We cover both established technologies (routinely deployed in conservation, backed by substantial field experience and scientific literature) and novel technologies or technology applications (typically at trial stage, only recently used in conservation), providing examples of conservation applications for both types. We describe technologies that deploy sensors that are fixed or portable, attached to vehicles (terrestrial, aquatic, or airborne) or to animals (biologging), complemented with a section on wildlife tracking. The last two sections cover actuators and computing (including web platforms, algorithms, and artificial intelligence).
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Affiliation(s)
- José J Lahoz-Monfort
- School of Ecosystem and Forest Sciences, University of Melbourne, Melbourne, Victoria, Australia
| | - Michael J L Magrath
- Wildlife Conservation and Science, Zoos Victoria and with the School of BioSciences, University of Melbourne, Melbourne, Victoria, Australia
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29
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Sander MM, Chamberlain D, Mermillon C, Alba R, Jähnig S, Rosselli D, Meier CM, Lisovski S. Early Breeding Conditions Followed by Reduced Breeding Success Despite Timely Arrival in an Alpine Migratory Songbird. Front Ecol Evol 2021. [DOI: 10.3389/fevo.2021.676506] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/29/2022] Open
Abstract
Timing reproduction to coincide with optimal environmental conditions is key for many organisms living in seasonal habitats. Advance in the onset of spring is a particular challenge to migratory birds that must time their arrival without knowing the conditions on the breeding grounds. This is amplified at high elevations where resource availability, which is linked to snowmelt and vegetation development, shows much annual variation. With the aim of exploring the effects of variability in the onset of local resource availability on reproduction, we compared key life history events in an Alpine population of the Northern Wheatear (Oenanthe oenanthe) between years of contrasting timing of snowmelt. Based on remote sensed images, we identified 2020 as an exceptionally early snowmelt and green-up year compared to the preceding year and the long-term average. Individuals tracked with light-level geolocators arrived well before the snowmelt in 2020 and clutch initiation dates across the population were earlier in 2020 compared to 2019. However, observations from a citizen science database and nest monitoring data showed that the arrival-breeding interval was shorter in 2020, thus the advance in timing lagged behind the environmental conditions. While hatching success was similar in both years, fledging success was significantly reduced in 2020. A trophic mismatch in early 2020 could be a possible explanation for the reduced reproductive success, but alternative explanations cannot be excluded. Our results show that, despite the timely arrival at the breeding grounds and a contraction of the arrival-breeding interval, Wheatears were not able to advance breeding activities in synchrony with environmental conditions in 2020. Earlier reproductive seasons are expected to become more frequent in the future. We show that the negative effects of changing seasons in Alpine migratory birds might be similar to birds breeding at high latitudes, despite their shorter migratory distance.
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30
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Halpin LR, Ross JD, Ramos R, Mott R, Carlile N, Golding N, Reyes‐González JM, Militão T, De Felipe F, Zajková Z, Cruz‐Flores M, Saldanha S, Morera‐Pujol V, Navarro‐Herrero L, Zango L, González‐Solís J, Clarke RH. Double‐tagging scores of seabirds reveals that light‐level geolocator accuracy is limited by species idiosyncrasies and equatorial solar profiles. Methods Ecol Evol 2021. [DOI: 10.1111/2041-210x.13698] [Citation(s) in RCA: 10] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
Affiliation(s)
- Luke R. Halpin
- School of Biological Sciences Monash University Clayton VIC Australia
- Halpin Wildlife Research Vancouver BC Canada
| | - Jeremy D. Ross
- Oklahoma Biological Survey University of Oklahoma Norman OK USA
| | - Raül Ramos
- Institut de Recerca de la Biodiversitat (IRBio) and Departament Biologia Evolutiva Ecologia i Ciències Ambientals, University of Barcelona Barcelona Spain
| | - Rowan Mott
- School of Biological Sciences Monash University Clayton VIC Australia
| | - Nicholas Carlile
- Department of Planning, Industry and Environment Hurstville NSW Australia
| | - Nick Golding
- School of BioSciences University of Melbourne Parkville VIC Australia
| | - José Manuel Reyes‐González
- Institut de Recerca de la Biodiversitat (IRBio) and Departament Biologia Evolutiva Ecologia i Ciències Ambientals, University of Barcelona Barcelona Spain
| | - Teresa Militão
- Institut de Recerca de la Biodiversitat (IRBio) and Departament Biologia Evolutiva Ecologia i Ciències Ambientals, University of Barcelona Barcelona Spain
| | - Fernanda De Felipe
- Institut de Recerca de la Biodiversitat (IRBio) and Departament Biologia Evolutiva Ecologia i Ciències Ambientals, University of Barcelona Barcelona Spain
| | - Zuzana Zajková
- Institut de Recerca de la Biodiversitat (IRBio) and Departament Biologia Evolutiva Ecologia i Ciències Ambientals, University of Barcelona Barcelona Spain
| | - Marta Cruz‐Flores
- Institut de Recerca de la Biodiversitat (IRBio) and Departament Biologia Evolutiva Ecologia i Ciències Ambientals, University of Barcelona Barcelona Spain
| | - Sarah Saldanha
- Institut de Recerca de la Biodiversitat (IRBio) and Departament Biologia Evolutiva Ecologia i Ciències Ambientals, University of Barcelona Barcelona Spain
| | - Virginia Morera‐Pujol
- Institut de Recerca de la Biodiversitat (IRBio) and Departament Biologia Evolutiva Ecologia i Ciències Ambientals, University of Barcelona Barcelona Spain
| | - Leia Navarro‐Herrero
- Institut de Recerca de la Biodiversitat (IRBio) and Departament Biologia Evolutiva Ecologia i Ciències Ambientals, University of Barcelona Barcelona Spain
| | - Laura Zango
- Institut de Recerca de la Biodiversitat (IRBio) and Departament Biologia Evolutiva Ecologia i Ciències Ambientals, University of Barcelona Barcelona Spain
| | - Jacob González‐Solís
- Institut de Recerca de la Biodiversitat (IRBio) and Departament Biologia Evolutiva Ecologia i Ciències Ambientals, University of Barcelona Barcelona Spain
| | - Rohan H. Clarke
- School of Biological Sciences Monash University Clayton VIC Australia
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31
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Sexual segregation in juvenile Antarctic fur seals. Oecologia 2021; 197:339-352. [PMID: 34309704 DOI: 10.1007/s00442-021-04983-y] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/21/2021] [Accepted: 06/28/2021] [Indexed: 10/20/2022]
Abstract
Sexual segregation, the differential space, habitat or resource use by males and females, can have profound implications for conservation, as one sex may be more vulnerable to environmental and anthropogenic stressors. The drivers of sexual segregation, such as sex differences in body size, breeding constraints, and social behaviour, have been well studied in adults but are poorly understood in immature animals. To determine whether sexual segregation occurs in juvenile Antarctic fur seals, Arctocephalus gazella, and investigate the underlying drivers, we deployed Global Location Sensors on 26 males and 19 females of 1-3 years of age at Bird Island, South Georgia. Sexual segregation occurred in foraging distribution, primarily in latitude, with females foraging closer to South Georgia and the Polar Front, and males foraging further south near the Antarctic Peninsula. This segregation was particularly evident in Feb-Apr and May-Nov, and males spent more time hauled out than females in May-Nov. Although juveniles have no immediate reproductive commitments, reproductive selection pressures are still likely to operate and drive sex differences in body size, risk-taking, and social roles. These factors, coupled with prey distribution, likely contributed to sexual segregation in juvenile Antarctic fur seals. Consequently, male and female juveniles may compete with different fisheries and respond differently to environmental change, highlighting the importance of considering sex and age groups in species conservation efforts.
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32
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Drummond BA, Orben RA, Christ AM, Fleishman AB, Renner HM, Rojek NA, Romano MD. Comparing non-breeding distribution and behavior of red-legged kittiwakes from two geographically distant colonies. PLoS One 2021; 16:e0254686. [PMID: 34270622 PMCID: PMC8284784 DOI: 10.1371/journal.pone.0254686] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/16/2021] [Accepted: 07/02/2021] [Indexed: 11/20/2022] Open
Abstract
Knowledge of non-breeding distributions is a crucial component to seabird conservation, as conditions during the non-breeding period can play an important role in regulating seabird populations. Specifically, if seabirds from different colonies share the same wintering grounds, conditions in that shared region could have a widespread impact on multiple breeding populations. Red-legged kittiwakes (Rissa brevirostris) are endemic to the Bering Sea and may be especially susceptible to effects of climate change due to a restricted breeding range, small population size, and specialized diet. To examine whether red-legged kittiwakes from different breeding colonies overlapped in winter distribution and activity patterns, we used geolocation loggers to simultaneously track individuals from the two largest red-legged kittiwake breeding colonies in Alaska (separated by over 1000 km) during two consecutive non-breeding periods. We found that non-breeding activity patterns were generally similar between birds originating from the two colonies, but birds employed different migratory strategies during the early winter. Kittiwakes from Buldir Island in the western Aleutian Islands left the colony in September and immediately headed west, spending October through December around the Sea of Okhotsk and the Kuril Islands. In contrast, birds from St. George Island in the Pribilof Islands remained in the eastern Bering Sea or around the eastern Aleutian Islands for a couple months before traveling farther west. During late winter however, from January through March, birds from both colonies converged south of Kamchatka and east of the Kuril Islands over the Kuril-Kamchatka Trench and in the Western Subarctic Gyre before returning to their respective colonies in the spring. This late winter overlap in distributions along the Kuril-Kamchatka Trench suggests the region is a winter hotspot for red-legged kittiwakes and highlights the importance of this region for the global kittiwake population.
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Affiliation(s)
- Brie A. Drummond
- Alaska Maritime National Wildlife Refuge, U.S. Fish and Wildlife Service, Homer, Alaska, United States of America
- * E-mail:
| | - Rachael A. Orben
- Department of Fisheries and Wildlife, Oregon State University, Corvallis, Oregon, United States of America
| | - Aaron M. Christ
- Alaska Maritime National Wildlife Refuge, U.S. Fish and Wildlife Service, Homer, Alaska, United States of America
| | - Abram B. Fleishman
- Conservation Metrics, Inc., Santa Cruz, California, United States of America
| | - Heather M. Renner
- Alaska Maritime National Wildlife Refuge, U.S. Fish and Wildlife Service, Homer, Alaska, United States of America
| | - Nora A. Rojek
- Alaska Maritime National Wildlife Refuge, U.S. Fish and Wildlife Service, Homer, Alaska, United States of America
| | - Marc D. Romano
- Alaska Maritime National Wildlife Refuge, U.S. Fish and Wildlife Service, Homer, Alaska, United States of America
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Åkesson S, Bianco G. Wind-assisted sprint migration in northern swifts. iScience 2021; 24:102474. [PMID: 34308278 PMCID: PMC8257983 DOI: 10.1016/j.isci.2021.102474] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/11/2020] [Revised: 03/04/2021] [Accepted: 04/23/2021] [Indexed: 11/01/2022] Open
Abstract
Long-distance migration has evolved repeatedly in animals and covers substantial distances across the globe. The overall speed of migration in birds is determined by fueling rate at stopover, flight speed, power consumption during flight, and wind support. The highest speeds (500 km/day) have been predicted in small birds with a fly-and-forage strategy, such as swallows and swifts. Here, we use GLS tracking data for common swifts breeding in the northern part of the European range to study seasonal migration strategies and overall migration speeds. The data reveal estimated overall migration speeds substantially higher (average: 570 km/day; maximum: 832 km/day over 9 days) than predicted for swifts. In spring, swift routes provided 20% higher tailwind support than in autumn. Sustained migration speeds of this magnitude can only be achieved in small birds by a combined strategy including high fueling rate at stopover, fly-and-forage during migration, and selective use of tailwinds.
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Affiliation(s)
- Susanne Åkesson
- Department of Biology, Centre for Animal Movement Research, Lund University, Ecology Building, 223 62 Lund, Sweden
| | - Giuseppe Bianco
- Department of Biology, Centre for Animal Movement Research, Lund University, Ecology Building, 223 62 Lund, Sweden
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Aoki D, Sakamoto H, Kitazawa M, Kryukov AP, Takagi M. Migration-tracking integrated phylogeography supports long-distance dispersal-driven divergence for a migratory bird species in the Japanese archipelago. Ecol Evol 2021; 11:6066-6079. [PMID: 34141203 PMCID: PMC8207368 DOI: 10.1002/ece3.7387] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/25/2020] [Revised: 02/02/2021] [Accepted: 02/20/2021] [Indexed: 11/10/2022] Open
Abstract
Long-distance dispersal (LDD) outside a species' breeding range contributes to genetic divergence. Previous phylogeographic studies of migratory bird species have not discriminated LDD from vicariant speciation in their diversification process. We conducted an integrative phylogeographic approach to test the LDD hypothesis, which predicts that a Japanese migratory bird subspecies diverged from a population in the coastal region of the East China Sea (CRECS) via LDD over the East China Sea (ECS). Haplotype networks of both mitochondrial and nuclear genes of its three subspecies were reconstructed to examine whether the Japanese subspecies of the Brown Shrike (Lanius cristatus superciliosus) diverged from an ancestral CRECS population. A species distribution model (SDM) for the Japanese subspecies was constructed using bioclimatic variables under the maximum entropy algorithm. It was projected backwards to the climate of the last glacial maximum (LGM) to infer the candidate source area of colonization. A migratory route of L. c. superciliosus, which possibly reflects a candidate past colonization route, was tracked by light-level geolocators. Molecular phylogenetic networks suggest that the Japanese subspecies diverged from a population in the CRECS and maintained anciently diverged haplotypes. The SDM inferred that the emerged continental shelf of the ECS and the present CRECS were suitable breeding areas for the Japanese subspecies during the LGM. A major migratory route for L. c. superciliosus was inferred between the CRECS and the Japanese archipelago across the ECS. Our integrative approach supported the LDD hypothesis for divergence of the Japanese subspecies of the Brown Shrike. Shrinkage of the ECS may have been responsible for successful population establishment, due to a sufficient number of migrants overshooting to the Japanese archipelago from the CRECS. Our framework provides a new phylogeographic scenario for this region. Discriminating LDD and vicariance models helps improve our understanding of the phylogeographic histories of migratory species.
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Affiliation(s)
- Daisuke Aoki
- Department of Natural History SciencesGraduate School of ScienceHokkaido UniversitySapporoJapan
| | - Haruna Sakamoto
- Department of Natural History SciencesGraduate School of ScienceHokkaido UniversitySapporoJapan
| | - Munehiro Kitazawa
- Frontiers in Environmental SciencesGraduate School of AgricultureHokkaido UniversitySapporoJapan
| | - Alexey P. Kryukov
- Laboratory of Evolutionary Zoology and GeneticsFederal Scientific Center of the East Asia Terrestrial BiodiversityFar Eastern Branch of the Russian Academy of SciencesVladivostokRussia
| | - Masaoki Takagi
- Department of Natural History SciencesFaculty of ScienceHokkaido UniversitySapporoJapan
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The genetic regulation of avian migration timing: combining candidate genes and quantitative genetic approaches in a long-distance migrant. Oecologia 2021; 196:373-387. [PMID: 33963450 DOI: 10.1007/s00442-021-04930-x] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/18/2020] [Accepted: 04/26/2021] [Indexed: 10/21/2022]
Abstract
Plant and animal populations can adapt to prolonged environmental changes if they have sufficient genetic variation in important phenological traits. The genetic regulation of annual cycles can be studied either via candidate genes or through the decomposition of phenotypic variance by quantitative genetics. Here, we combined both approaches to study the timing of migration in a long-distance migrant, the collared flycatcher (Ficedula albicollis). We found that none of the four studied candidate genes (CLOCK, NPAS2, ADCYAP1 and CREB1) had any consistent effect on the timing of six annual cycle stages of geolocator-tracked individuals. This negative result was confirmed by direct observations of males arriving in spring to the breeding site over four consecutive years. Although male spring arrival date was significantly repeatable (R = 0.24 ± 0.08 SE), most was attributable to permanent environmental effects, while the additive genetic variance and heritability were very low (h2 = 0.03 ± 0.17 SE). This low value constrains species evolutionary adaptation, and our study adds to warnings that such populations may be threatened, e.g. by ongoing climate change.
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Hahn S, Briedis M, Barboutis C, Schmid R, Schulze M, Seifert N, Szép T, Emmenegger T. Spatially different annual cycles but similar haemosporidian infections in distant populations of collared sand martins. BMC ZOOL 2021; 6:6. [PMID: 37170335 PMCID: PMC10127412 DOI: 10.1186/s40850-021-00071-z] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/03/2020] [Accepted: 04/05/2021] [Indexed: 11/10/2022] Open
Abstract
Abstract
Background
Populations of long-distance migratory birds experience different environments and are consequently exposed to different parasites throughout their annual cycles. Though, specific whereabouts and accompanied host-parasite interactions remain unknown for most migratory passerines. Collared sand martins (Riparia riparia) breeding in the western Palaearctic spend the nonbreeding period in Africa, but it is not yet clear whether specific populations differ in overwintering locations and whether these also result in varying infections with vector-transmitted endoparasites.
Results
Geolocator tracking revealed that collared sand martins from northern-central and central-eastern Europe migrate to distant nonbreeding sites in West Africa and the Lake Chad basin in central Africa, respectively. While the ranges of these populations were clearly separated throughout the year, they consistently spent up to 60% of the annual cycle in Africa. Ambient light recorded by geolocators further indicated unsheltered roosting during the nonbreeding season in Africa compared to the breeding season in Europe.
We found 5–26% prevalence of haemosporidian parasites in three breeding populations and one migratory passage population that was only sampled but not tracked. In total, we identified seven Plasmodium and nine Haemoproteus lineages (incl. two and seven new lineages, respectively), the latter presumably typical for swallows (Hirundinae) hosts. 99.5% of infections had a low intensity, typical for chronic infection stages, whereas three individuals (0.5%) showed high parasitaemia typical for acute infections during spring migration and breeding.
Conclusions
Our study shows that blood parasite infections are common in several western Palaearctic breeding populations of collared sand martins who spent the nonbreeding season in West Africa and the lake Chad region. Due to long residency at the nonbreeding grounds blood parasite transmissions may mainly occur at host population-specific residences sites in Europe and Africa; the latter being likely facilitated by unsheltered roosting and thus high vulnerability to hematophagous insects. The rare cases of high parasitaemia during spring migration and breeding further indicates either relapses of chronic infection or primary infections which occurred shortly before migration and during breeding.
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Mancuso KA, Fylling MA, Bishop CA, Hodges KE, Lancaster MB, Stone KR. Migration ecology of western gray catbirds. MOVEMENT ECOLOGY 2021; 9:10. [PMID: 33731214 PMCID: PMC7972347 DOI: 10.1186/s40462-021-00249-7] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 11/16/2020] [Accepted: 02/24/2021] [Indexed: 06/12/2023]
Abstract
BACKGROUND For many songbirds in North America, we lack movement details about the full annual cycle, notably outside the breeding season. Understanding how populations are linked spatially between breeding and overwintering periods (migratory connectivity) is crucial to songbird conservation and management. We assessed migratory connectivity for 2 breeding populations of Gray Catbirds (Dumetella carolinensis) west of and within the Rocky Mountains by determining migration routes, stopover sites, and overwintering locations. Additionally, we compared apparent annual survivorship for both populations. METHODS We deployed 39 archival light-level geolocators and 21 Global Positioning System (GPS) tags on catbirds in the South Okanagan Valley, British Columbia, Canada, and 32 geolocators and 52 GPS tags in the Bitterroot River Valley, Montana, USA. These devices allowed us to determine migration routes, stopover sites, overwintering locations, and migratory connectivity. Migratory connectivity was quantified using Mantel's correlation. We used mark-recapture of colour banded catbirds in both sites to estimate apparent annual survivorship. RESULTS We retrieved 6 geolocators and 19 GPS tags with usable data. Gray Catbirds from both populations passed through the Rocky Mountains eastward before heading south towards their overwintering locations in northeastern Mexico and Texas. Stopover sites during fall migration occurred primarily in Montana, Kansas, Oklahoma, and Arkansas. Overwintering locations spanned Texas and 5 states in northeastern Mexico. Individual catbirds used up to 4 distinct sites during the overwintering period. Catbirds separated by almost 500 km during the breeding season overlapped during the non-breeding season, suggesting weak migratory connectivity among western populations (Mantel's correlation = 0.013, P-value = 0.41). Catbird apparent annual survivorship estimates were higher in British Columbia (0.61 ± 0.06 females; 0.64 ± 0.05 males) than in Montana (0.34 ± 0.05 females; 0.43 ± 0.04 males), though the main driver of these differences remain unclear. CONCLUSIONS Our results provide high precision geographic details during the breeding, migration, and overwintering phases of the annual cycle for western Gray Catbirds. Notably, we found that western catbirds followed the Central Flyway as opposed to the Pacific Flyway. We document that catbirds used multiple sites over winter, contrary to the popular belief that this phase of the annual cycle is stationary for most songbirds.
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Affiliation(s)
- Kristen A Mancuso
- Department of Biology, University of British Columbia Okanagan, Kelowna, British Columbia, Canada.
| | - Megan A Fylling
- Division of Biological Sciences, University of Montana, Missoula, MT, USA
| | - Christine A Bishop
- Science and Technology Branch, Environment and Climate Change Canada, Delta, British Columbia, Canada
| | - Karen E Hodges
- Department of Biology, University of British Columbia Okanagan, Kelowna, British Columbia, Canada
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Smith RA, Gagné M, Fraser KC. Pre-migration artificial light at night advances the spring migration timing of a trans-hemispheric migratory songbird. ENVIRONMENTAL POLLUTION (BARKING, ESSEX : 1987) 2021; 269:116136. [PMID: 33280918 DOI: 10.1016/j.envpol.2020.116136] [Citation(s) in RCA: 10] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 05/15/2020] [Revised: 11/10/2020] [Accepted: 11/17/2020] [Indexed: 06/12/2023]
Abstract
Artificial light at night (ALAN) is increasing at a high rate across the globe and can cause shifts in animal phenology due to the alteration of perceived photoperiod. Birds in particular may be highly impacted due to their use of extra-retinal photoreceptors, as well as the use of photoperiodic cues to time life events such as reproduction, moult, and migration. For the first time, we used light-logging geolocators to determine the amount of ALAN experienced by long-distance migratory songbirds (purple martin; Progne subis) while at their overwintering sites in South America to measure its potential relationship with spring migration timing. Almost a third of birds (48/155; 31%) were subjected to at least one night with ALAN over 30 days prior to spring migration. Birds that experienced the highest number of nights (10+) with artificial light departed for spring migration on average 8 days earlier and arrived 8 days earlier at their breeding sites compared to those that experienced no artificial light. Early spring migration timing due to pre-migration ALAN experienced at overwintering sites could lead to mistiming with environmental conditions and insect abundance on the migratory route and at breeding sites, potentially impacting survival and/or reproductive success. Such effects would be particularly detrimental to species already exhibiting steep population declines such as purple martins and other migratory aerial insectivores.
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Affiliation(s)
- Reyd A Smith
- Dept. Biological Sciences, University of Manitoba, 50 Sifton Road, Winnipeg, Manitoba, R3T 2N2, Canada; Current Address: Dept. of Integrative Biology, University of Windsor, 401 Sunset Avenue, Windsor, Ontario, N9B 3P4, Canada.
| | - Maryse Gagné
- Dept. Biological Sciences, University of Manitoba, 50 Sifton Road, Winnipeg, Manitoba, R3T 2N2, Canada.
| | - Kevin C Fraser
- Dept. Biological Sciences, University of Manitoba, 50 Sifton Road, Winnipeg, Manitoba, R3T 2N2, Canada.
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Buchan C, Gilroy JJ, Catry I, Bustamante J, Marca AD, Atkinson PW, González JM, Franco AMA. Carryover effects of long-distance avian migration are weaker than effects of breeding environment in a partially migratory bird. Sci Rep 2021; 11:935. [PMID: 33441826 PMCID: PMC7807013 DOI: 10.1038/s41598-020-80341-x] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/13/2020] [Accepted: 12/15/2020] [Indexed: 12/30/2022] Open
Abstract
Migration may expose individuals to a wide range of increasing anthropogenic threats. In addition to direct mortality effects, this exposure may influence post-migratory reproductive fitness. Partial migration-where a population comprises migrants and residents-represents a powerful opportunity to explore carryover effects of migration. Studies of partial migration in birds typically examine short-distance systems; here we studied an unusual system where residents breed in mixed colonies alongside long-distance trans-Saharan migrants (lesser kestrels (Falco naumanni) in Spain). Combining geolocator data, stable isotope analysis and resighting data, we examined the effects of this stark difference in migratory strategy on body condition, breeding phenology and breeding success. We monitored four colonies in two regions of southern Spain for five consecutive years (2014-2018), yielding 1962 captures, determining migratory strategy for 141 adult bird-years. Despite a 3000-km difference in distance travelled, we find no effect of strategy on breeding parameters. We find weak evidence for a short-term negative carryover effect of migration on body condition, but this was only apparent in the breeding region with lower primary productivity. Our results indicate that carryover effects of even highly divergent migratory strategies may be minimal relative to effects of conditions experienced on breeding grounds.
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Affiliation(s)
- Claire Buchan
- School of Environmental Sciences, University of East Anglia, Norwich, Norfolk, UK.
| | - James J Gilroy
- School of Environmental Sciences, University of East Anglia, Norwich, Norfolk, UK
| | - Inês Catry
- School of Environmental Sciences, University of East Anglia, Norwich, Norfolk, UK.,CIBIO/InBIO, Centro de Investigação em Biodiversidade e Recursos Genéticos, Laboratório Associado, Universidade do Porto, Campus Agrário de Vairão, 4485-661, Vairão, Portugal.,CIBIO/InBIO, Centro de Investigação em Biodiversidade e Recursos Genéticos, Laboratório Associado, Instituto Superior de Agronomia, Universidade de Lisboa, Tapada da Ajuda, 1349-017, Lisbon, Portugal
| | - Javier Bustamante
- Department of Wetland Ecology, Remote Sensing and GIS Lab (LAST-EBD), Estación Biológica de Doñana (CSIC), C/ Américo Vespucio 26, 41092, Sevilla, Spain
| | - Alina D Marca
- School of Environmental Sciences, University of East Anglia, Norwich, Norfolk, UK
| | | | | | - Aldina M A Franco
- School of Environmental Sciences, University of East Anglia, Norwich, Norfolk, UK
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Li D, Davison G, Lisovski S, Battley PF, Ma Z, Yang S, How CB, Watkins D, Round P, Yee A, Srinivasan V, Teo C, Teo R, Loo A, Leong CC, Er K. Shorebirds wintering in Southeast Asia demonstrate trans-Himalayan flights. Sci Rep 2020; 10:21232. [PMID: 33311583 PMCID: PMC7732824 DOI: 10.1038/s41598-020-77897-z] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/11/2020] [Accepted: 11/13/2020] [Indexed: 02/07/2023] Open
Abstract
Many birds wintering in the Indian subcontinent fly across the Himalayas during migration, including Bar-headed Geese (Anser indicus), Demoiselle Cranes (Anthropoides virgo) and Ruddy Shelducks (Tadorna ferruginea). However, little is known about whether shorebirds migrate across the Himalayas from wintering grounds beyond the Indian subcontinent. Using geolocators and satellite tracking devices, we demonstrate for the first time that Common Redshanks (Tringa totanus) and Whimbrels (Numenius phaeopus) wintering in Singapore can directly fly over the Himalayas to reach breeding grounds in the Qinghai-Tibet Plateau and north-central Russia respectively. The results also show that migratory shorebirds wintering in Southeast Asia can use both the Central Asian Flyway and the East Asian-Australasian Flyway. For Redshanks, westerly-breeding birds crossed the Himalayas while more easterly breeders on the Plateau migrated east of the Himalayas. For Whimbrels, an individual that crossed the Himalayas was probably from a breeding population that was different from the others that migrated along the coast up the East Asian-Australasian Flyway. The minimum required altitude of routes of trans-Himalayan Redshanks were no higher on average than those of eastern migrants, but geolocator temperature data indicate that birds departing Singapore flew at high elevations even when not required to by topography, suggesting that the Himalayan mountain range may be less of a barrier than assumed.
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Affiliation(s)
- David Li
- National Parks Board, Singapore, 718925, Singapore.
| | | | - Simeon Lisovski
- Alfred-Wegener-Institute Helmholtz Centre for Marine and Polar Research, Potsdam, Germany
| | - Phil F Battley
- Wildlife & Ecology Group, Massey University, Palmerston North, 4442, New Zealand
| | - Zhijun Ma
- Ministry of Education Key Laboratory for Biodiversity Science and Ecological Engineering, Coastal Ecosystems Research Station of the Yangtze River Estuary, Institute of Biodiversity Science, School of Life Sciences, Fudan University, Shanghai, 200433, China
| | - Shufen Yang
- National Parks Board, Singapore, 718925, Singapore
| | | | - Doug Watkins
- Australasian Wader Studies Group, Carlton, VIC, 3053, Australia
| | - Philip Round
- Department of Biology, Mahidol University, Bangkok, 10400, Thailand
| | - Alex Yee
- National Parks Board, Singapore, 718925, Singapore
| | | | - Clarice Teo
- National Parks Board, Singapore, 718925, Singapore
| | - Robert Teo
- National Parks Board, Singapore, 718925, Singapore
| | - Adrian Loo
- National Parks Board, Singapore, 718925, Singapore
| | | | - Kenneth Er
- National Parks Board, Singapore, 718925, Singapore
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A green wave of saltmarsh productivity predicts the timing of the annual cycle in a long-distance migratory shorebird. Sci Rep 2020; 10:20658. [PMID: 33244082 PMCID: PMC7693269 DOI: 10.1038/s41598-020-77784-7] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/06/2020] [Accepted: 11/17/2020] [Indexed: 12/03/2022] Open
Abstract
Understanding how migratory animals respond to spatial and temporal variation in habitat phenology is critical for identifying selection pressures and tradeoffs at different life history stages. We examined the influence of breeding habitat phenology on life history timing of the eastern willet (Tringa semipalmata semipalmata) across a latitudinal gradient of breeding sites on the east coast of North America. To describe migration and life history timing, we deployed light-level geolocators on willets at breeding sites in New Jersey, Massachusetts and Maine, USA and evaluated additional data on life history timing and migratory connectivity from previous studies, eBird and band recoveries. Willets from Nova Scotia to Georgia winter exclusively on the Atlantic coast of northern South America and share common stopover sites. The timing of wintering site departure, breeding site arrival, nesting and southbound departure was later for birds breeding at higher latitudes while the duration of all life phases was similar across sites. Regardless of latitude, nesting corresponded with a consistent stage of seasonal salt marsh biomass accumulation and with peak spring temperature acceleration (GDD jerk). Temperature acceleration and salt marsh biomass were closely correlated with each other across the 11° latitudinal gradient we examined and with the timing of nest initiation across the northern 6° of this gradient. For this northern 6° of latitude, these results suggest that the timing of migration and breeding events in the annual cycle of eastern willets is constrained by a phenological “green wave” of spring salt marsh productivity at breeding sites.
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Lisovski S, Gosbell K, Minton C, Klaassen M. Migration strategy as an indicator of resilience to change in two shorebird species with contrasting population trajectories. J Anim Ecol 2020; 90:2005-2014. [PMID: 33232515 DOI: 10.1111/1365-2656.13393] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/24/2020] [Accepted: 10/13/2020] [Indexed: 11/30/2022]
Abstract
Many migratory birds are declining worldwide. In line with the general causes for the global biodiversity crisis, habitat loss, pollution, hunting, over-exploitation and climate change are thought to be at the basis of these population declines. Long-distance migrants seem especially vulnerable to rapid anthropogenic change, yet, the rate of decline across populations and species varies greatly within flyways. We hypothesize that differences in migration strategy, and notably stopover-site use, may be at the basis of these variations in resilience to global change. By identifying and comparing the migration strategies of two very closely related shorebird species, the Curlew sandpiper Calidris ferruginea and the Red-necked stint Calidris ruficollis, migrating from the same non-breeding site in Australia to similar breeding sites in the high Russian Arctic, we aimed to explain why these two species express differential resilience to rapid changes within their flyway resulting in different population trajectories in recent times. Based on 13 Curlew sandpiper and 16 Red-necked stint tracks from light-level geolocator tags, we found that individual Curlew sandpipers make use of fewer stopover areas along the flyway compared to Red-necked stints. Furthermore, and notably during northward migration, Curlew sandpipers have a higher dependency on fewer sites, both in terms of the percentage of individuals visiting key stopover sites and the relative time spent at those sites. While Curlew sandpipers rely mainly on the Yellow Sea region, which has recently experienced a sharp decline in suitable habitat, Red-necked stints make use of additional sites and spread their relative time en-route across sites more evenly. Our results indicate that differential migration strategies may explain why Curlew sandpipers within the East Asian-Australasian Flyway are declining rapidly (9.5%-5.5% per year) while Red-necked stints remain relatively stable (-3.1%-0%). We consider that more generally, the number of sites per individual and among a population, the spatial distribution across the flyway, as well as the relationship between the time spent over sites may prove to be key variables explaining populations and species' differential resilience to environmental change.
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Affiliation(s)
- Simeon Lisovski
- Polar Terrestrial Environmental Research, Alfred Wegener Institute Helmholtz Centre for Polar and Marine Research, Potsdam, Germany
| | - Ken Gosbell
- Victorian Wader Study Group, Melbourne, Vic., Australia
| | - Clive Minton
- Victorian Wader Study Group, Melbourne, Vic., Australia
| | - Marcel Klaassen
- Centre for Integrative Ecology, Deakin University, Melbourne, Vic., Australia
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Börger L, Bijleveld AI, Fayet AL, Machovsky-Capuska GE, Patrick SC, Street GM, Vander Wal E. Biologging Special Feature. J Anim Ecol 2020; 89:6-15. [PMID: 32091640 DOI: 10.1111/1365-2656.13163] [Citation(s) in RCA: 21] [Impact Index Per Article: 5.3] [Reference Citation Analysis] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/25/2023]
Affiliation(s)
- Luca Börger
- Department of Biosciences, College of Science, Swansea University, Swansea, UK
| | - Allert I Bijleveld
- Department of Coastal Systems, NIOZ Royal Netherlands Institute for Sea Research, Utrecht University, Den Burg, The Netherlands
| | | | | | - Samantha C Patrick
- School of Environmental Sciences, University of Liverpool, Liverpool, UK
| | - Garrett M Street
- Department of Wildlife, Fisheries, and Aquaculture, Mississippi State University, Mississippi State, MS, USA
| | - Eric Vander Wal
- Department of Biology, Memorial University of Newfoundland, St. John's, NL, Canada
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Evens R, Kowalczyk C, Norevik G, Ulenaers E, Davaasuren B, Bayargur S, Artois T, Åkesson S, Hedenström A, Liechti F, Valcu M, Kempenaers B. Lunar synchronization of daily activity patterns in a crepuscular avian insectivore. Ecol Evol 2020; 10:7106-7116. [PMID: 32760515 PMCID: PMC7391349 DOI: 10.1002/ece3.6412] [Citation(s) in RCA: 11] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/12/2020] [Revised: 04/22/2020] [Accepted: 05/04/2020] [Indexed: 11/06/2022] Open
Abstract
Biological rhythms of nearly all animals on earth are synchronized with natural light and are aligned to day-and-night transitions. Here, we test the hypothesis that the lunar cycle affects the nocturnal flight activity of European Nightjars (Caprimulgus europaeus). We describe daily activity patterns of individuals from three different countries across a wide geographic area, during two discrete periods in the annual cycle. Although the sample size for two of our study sites is small, the results are clear in that on average individual flight activity was strongly correlated with both local variation in day length and with the lunar cycle. We highlight the species' sensitivity to changes in ambient light and its flexibility to respond to such changes in different parts of the world.
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Affiliation(s)
- Ruben Evens
- Department of Behavioural Ecology and Evolutionary GeneticsMax Planck Institute for OrnithologyStarnbergGermany
| | - Céline Kowalczyk
- Centre for Environmental Sciences, Research Group: Zoology, Biodiversity and ToxicologyHasselt UniversityDiepenbeekBelgium
| | - Gabriel Norevik
- Department of BiologyCentre for Animal Movement ResearchLund UniversityLundSweden
| | | | | | | | - Tom Artois
- Centre for Environmental Sciences, Research Group: Zoology, Biodiversity and ToxicologyHasselt UniversityDiepenbeekBelgium
| | - Susanne Åkesson
- Department of BiologyCentre for Animal Movement ResearchLund UniversityLundSweden
| | - Anders Hedenström
- Department of BiologyCentre for Animal Movement ResearchLund UniversityLundSweden
| | | | - Mihai Valcu
- Department of Behavioural Ecology and Evolutionary GeneticsMax Planck Institute for OrnithologyStarnbergGermany
| | - Bart Kempenaers
- Department of Behavioural Ecology and Evolutionary GeneticsMax Planck Institute for OrnithologyStarnbergGermany
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Pelletier D, Seyer Y, Garthe S, Bonnefoi S, Phillips RA, Guillemette M. So far, so good… Similar fitness consequences and overall energetic costs for short and long-distance migrants in a seabird. PLoS One 2020; 15:e0230262. [PMID: 32176713 PMCID: PMC7075593 DOI: 10.1371/journal.pone.0230262] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/26/2019] [Accepted: 02/25/2020] [Indexed: 11/18/2022] Open
Abstract
Although there is a consensus about the evolutionary drivers of animal migration, considerable work is necessary to identify the mechanisms that underlie the great variety of strategies observed in nature. The study of differential migration offers unique opportunities to identify such mechanisms and allows comparisons of the costs and benefits of migration. The purpose of this study was to compare the characteristics of short and long-distance migrations, and fitness consequences, in a long-lived seabird species. We combined demographic monitoring (survival, phenology, hatching success) of 58 Northern Gannets (Morus bassanus) breeding on Bonaventure Island (Canada) and biologging technology (Global Location Sensor or GLS loggers) to estimate activity and energy budgets during the non-breeding period for three different migration strategies: to the Gulf of Mexico (GM), southeast (SE) or northeast (NE) Atlantic coast of the U.S. Survival, timing of arrival at the colony and hatching success are similar for short (NE, SE) and long-distance (GM) migrants. Despite similar fitness consequences, we found, as expected, that the overall energetic cost of migration is higher for long-distance migrants, although the daily cost during migration was similar between strategies. In contrast, daily maintenance and thermoregulation costs were lower for GM migrants in winter, where sea-surface temperature of the GM is 4-7o C warmer than SE and NE. In addition, GM migrants tend to fly 30 min less per day in their wintering area than other migrants. Considering lower foraging effort and lower thermoregulation costs during winter for long-distance migrants, this suggests that the energetic benefits during the winter of foraging in the GM outweigh any negative consequences of the longer-distance migration. These results support the notion that the costs and benefits of short and long-distance migration is broadly equal on an annual basis, i.e. there are no apparent carry-over effects in this long-lived bird species, probably because of the favourable conditions in the furthest wintering area.
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Affiliation(s)
- David Pelletier
- Département de biologie, Cégep de Rimouski, Rimouski, Québec, Canada
- Département de biologie, Université du Québec à Rimouski, Rimouski, Québec, Canada
| | - Yannick Seyer
- Département de biologie and Centre d’études nordiques, Université Laval, Québec, Québec, Canada
| | - Stefan Garthe
- Research and Technology Centre (FTZ), University of Kiel, Buesum, Germany
| | - Salomé Bonnefoi
- Département de biologie, Université du Québec à Rimouski, Rimouski, Québec, Canada
| | - Richard A. Phillips
- British Antarctic Survey, Natural Environment Research Council, Cambridge, United Kingdom
| | - Magella Guillemette
- Département de biologie, Université du Québec à Rimouski, Rimouski, Québec, Canada
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