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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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2
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Ramenofsky M, Campion AW, Hwee DT, Wood SK, Krause JS, Németh Z, Pérez JH, Bodine S. Comparison of the Phenotypic Flexibility of Muscle and Body Condition of Migrant and Resident White-Crowned Sparrows. ECOLOGICAL AND EVOLUTIONARY PHYSIOLOGY 2024; 97:11-28. [PMID: 38717370 DOI: 10.1086/729666] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/26/2024]
Abstract
AbstractSeasonally breeding birds express variations of traits (phenotypic flexibility) throughout their life history stages that represent adaptations to environmental conditions. Changes of body condition during migration have been well studied, whereas alterations of skeletal and cardiac muscles, body mass, and fat scores have yet to be characterized throughout the spring or fall migratory stages. Additionally, we examined flexible patterns of muscle, body mass, and fat score in migrant white-crowned sparrows (Zonotrichia leucophrys gambelii) in comparison with those in a resident subspecies (Zonotrichia leucophrys nuttalli) during the stages they share to evaluate the influence of different life histories. Migrants showed hypertrophy of the pectoralis muscle fiber area on the wintering grounds in late prealternate molt, yet increased pectoralis muscle mass was not detected until birds readied for spring departure. While pectoralis profile and fat scores enlarged at predeparture in spring and fall, pectoralis, cardiac, and body masses were greater only in spring stages, suggesting seasonal differences for migratory preparation. Gastrocnemius mass showed little change throughout all stages, whereas gastrocnemius fiber area declined steadily but rebounded in fall on the wintering grounds, where migrants become more sedentary. In general, residents are heavier birds with larger leg structures, while migrants sport longer wings and greater heart mass. Phenotypic flexibility was most prominent among residents with peaks of pectoralis, gastrocnemius, and body masses during the winter stage, when local weather is most severe. Thus, the subspecies express specific patterns of phenotypic flexibility with peaks coinciding with the stages of heightened energy demands: the winter stage for residents and the spring stages for migrants.
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3
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Elowe CR, Babbitt C, Gerson AR. White-throated sparrow ( Zonotrichia albicollis) liver and pectoralis flight muscle transcriptomic changes in preparation for migration. Physiol Genomics 2023; 55:544-556. [PMID: 37694280 DOI: 10.1152/physiolgenomics.00018.2023] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/20/2023] [Revised: 08/03/2023] [Accepted: 09/07/2023] [Indexed: 09/12/2023] Open
Abstract
Migratory songbirds undertake challenging journeys to reach their breeding grounds each spring. They accomplish these nonstop flapping feats of endurance through a suite of physiological changes, including the development of substantial fat stores and flight muscle hypertrophy and an increased capacity for fat catabolism. In addition, migratory birds may show large reductions in organ masses during flight, including the flight muscle and liver, which they must rapidly rebuild during their migratory stopover before replenishing their fat stores. However, the molecular basis of this capacity for rapid tissue remodeling and energetic output has not been thoroughly investigated. We performed RNA-sequencing analysis of the liver and pectoralis flight muscle of captive white-throated sparrows in experimentally photostimulated migratory and nonmigratory condition to explore the mechanisms of seasonal change to metabolism and tissue mass regulation that may facilitate these migratory journeys. Based on transcriptional changes, we propose that tissue-specific adjustments in preparation for migration may alleviate the damaging effects of long-duration activity, including a potential increase to the inflammatory response in the muscle. Furthermore, we hypothesize that seasonal hypertrophy balances satellite cell recruitment and apoptosis, while little evidence appeared in the transcriptome to support myostatin-, insulin-like growth factor 1-, and mammalian target of rapamycin-mediated pathways for muscle growth. These findings can encourage more targeted molecular studies on the unique integration of pathways that we find in the development of the migratory endurance phenotype in songbirds.NEW & NOTEWORTHY Migratory songbirds undergo significant physiological changes to accomplish their impressive migratory journeys. However, we have a limited understanding of the regulatory mechanisms underlying these changes. Here, we explore the transcriptomic changes to the flight muscle and liver of white-throated sparrows as they develop the migratory condition. We use these patterns to develop hypotheses about metabolic flexibility and tissue restructuring in preparation for migration.
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Affiliation(s)
- Cory R Elowe
- Department of Biology, University of Massachusetts, Amherst, Massachusetts, United States
- Organismic and Evolutionary Biology Graduate Program, University of Massachusetts, Amherst, Massachusetts, United States
| | - Courtney Babbitt
- Department of Biology, University of Massachusetts, Amherst, Massachusetts, United States
- Organismic and Evolutionary Biology Graduate Program, University of Massachusetts, Amherst, Massachusetts, United States
| | - Alexander R Gerson
- Department of Biology, University of Massachusetts, Amherst, Massachusetts, United States
- Organismic and Evolutionary Biology Graduate Program, University of Massachusetts, Amherst, Massachusetts, United States
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4
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Abstract
Understanding the degree to which animals are shifting their phenology to track optimal conditions as the climate changes is essential to predicting ecological responses to global change. Species at low latitudes or high trophic levels are theoretically expected to exhibit weaker phenological responses than other species, but limited research on tropical systems or on top predators impedes insight into the contexts in which these predictions are upheld. Moreover, a lack of phenological studies on top predators limits understanding of how climate change impacts propagate through entire ecosystems. Using a 30-y dataset on endangered African wild dogs (Lycaon pictus), we examined changes in reproductive phenology and temperatures during birthing and denning over time, as well as potential fitness consequences of these changes. We hypothesized that their phenology would shift to track a stable thermal range over time. Data from 60 packs and 141 unique pack-years revealed that wild dogs have delayed parturition by 7 days per decade on average in response to long-term warming. This shift has led to temperatures on birthing dates remaining relatively stable but, contrary to expectation, has led to increased temperatures during denning periods. Increased denning temperatures were associated with reduced reproductive success, suggesting that a continued phenological shift in the species may become maladaptive. Such results indicate that climate-driven shifts could be more widespread in upper trophic levels than previously appreciated, and they extend theoretical understanding of the species traits and environmental contexts in which large phenological shifts can be expected to occur as the climate changes.
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5
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Reinking AK, Højlund Pedersen S, Elder K, Boelman NT, Glass TW, Oates BA, Bergen S, Roberts S, Prugh LR, Brinkman TJ, Coughenour MB, Feltner JA, Barker KJ, Bentzen TW, Pedersen ÅØ, Schmidt NM, Liston GE. Collaborative wildlife–snow science: Integrating wildlife and snow expertise to improve research and management. Ecosphere 2022. [DOI: 10.1002/ecs2.4094] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/09/2023] Open
Affiliation(s)
- Adele K. Reinking
- Cooperative Institute for Research in the Atmosphere Colorado State University Fort Collins Colorado USA
| | - Stine Højlund Pedersen
- Cooperative Institute for Research in the Atmosphere Colorado State University Fort Collins Colorado USA
- Department of Biological Sciences University of Alaska Anchorage Anchorage Alaska USA
| | - Kelly Elder
- US Forest Service Rocky Mountain Research Station Fort Collins Colorado USA
| | - Natalie T. Boelman
- Lamont‐Doherty Earth Observatory Columbia University Palisades New York USA
| | - Thomas W. Glass
- Wildlife Conservation Society Fairbanks Alaska USA
- Department of Biology and Wildlife University of Alaska Fairbanks Fairbanks Alaska USA
| | - Brendan A. Oates
- Washington Department of Fish and Wildlife Ellensburg Washington USA
| | - Scott Bergen
- Idaho Department of Fish and Game Pocatello Idaho USA
| | - Shane Roberts
- Idaho Department of Fish and Game Pocatello Idaho USA
| | - Laura R. Prugh
- School of Environmental and Forest Sciences University of Washington Seattle Washington USA
| | - Todd J. Brinkman
- Institute of Arctic Biology University of Alaska Fairbanks Fairbanks Alaska USA
| | - Michael B. Coughenour
- Natural Resource Ecology Laboratory Colorado State University Fort Collins Colorado USA
| | | | - Kristin J. Barker
- Department of Environmental Science, Policy, and Management University of California Berkeley Berkeley California USA
| | | | | | - Niels M. Schmidt
- Department of Bioscience and Arctic Research Centre Aarhus University Aarhus Denmark
| | - Glen E. Liston
- Cooperative Institute for Research in the Atmosphere Colorado State University Fort Collins Colorado USA
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6
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Krause JS, Watkins T, Reid AMA, Cheah JC, Pérez JH, Bishop VR, Ramenofsky M, Wingfield JC, Meddle SL. Gene expression of sex steroid metabolizing enzymes and receptors in the skeletal muscle of migrant and resident subspecies of white-crowned sparrow (Zonotrichia leucophrys). Oecologia 2022; 199:549-562. [PMID: 35732927 DOI: 10.1007/s00442-022-05204-w] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/03/2021] [Accepted: 05/27/2022] [Indexed: 10/17/2022]
Abstract
Circulating sex steroid concentrations vary dramatically across the year in seasonally breeding animals. The ability of circulating sex steroids to effect muscle function can be modulated by changes in intracellular expression of steroid metabolizing enzymes (e.g., 5α-reductase type 2 and aromatase) and receptors. Together, these combined changes in plasma hormones, metabolizing enzymes and receptors allow for seasonally appropriate changes in skeletal muscle function. We tested the hypothesis that gene expression of sex steroid metabolizing enzymes and receptors would vary seasonally in skeletal muscle and these changes would differ between a migrant and resident life history strategy. We quantified annual changes in plasma testosterone and gene expression in pectoralis and gastrocnemius skeletal muscles using quantitative polymerase chain reaction (qPCR) in free-living migrant (Zonotrichia leucophrys gambelii) and resident (Z. l. nuttalli) subspecies of white-crowned sparrow during breeding, pre-basic molt, and wintering life history stages. Pectoralis muscle profile was largest in migrants during breeding, while residents maintained large muscle profiles year-round. Circulating testosterone peaked during breeding in both subspecies. Pectoralis muscle androgen receptor mRNA expression was lower in females of both subspecies during breeding. Estrogen receptor-α expression was higher in the pectoralis muscle, but not gastrocnemius, of residents throughout the annual cycle when compared to migrants. Pectoralis aromatase expression was higher in resident males compared to migrant males. No differences were observed for 5α-reductase 2. Between these two subspecies, patterns of plasma testosterone and androgen receptors appear to be conserved, however estrogen receptor gene expression appears to have diverged.
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Affiliation(s)
- Jesse S Krause
- Department of Biology, University of Nevada Reno, 1664 N. Virginia Street, Sarah Fleischmann 109, Reno, NV, 89557, USA. .,Department of Neurobiology Physiology Behavior, University of California, Davis, CA, 95616, USA.
| | - Trevor Watkins
- Department of Biology, University of Nevada Reno, 1664 N. Virginia Street, Sarah Fleischmann 109, Reno, NV, 89557, USA
| | - Angus M A Reid
- Institute of Genetics and Molecular Medicine, University of Edinburgh, Crewe Road South, Edinburgh, EH4 2XU, Scotland, UK.,The Roslin Institute, University of Edinburgh, Midlothian, EH25 9RG, Scotland, UK
| | - Jeffrey C Cheah
- Department of Neurobiology Physiology Behavior, University of California, Davis, CA, 95616, USA
| | - Jonathan H Pérez
- Department of Biology, University of South Alabama, Mobile, AL, 36688, USA
| | - Valerie R Bishop
- The Roslin Institute, University of Edinburgh, Midlothian, EH25 9RG, Scotland, UK
| | - Marilyn Ramenofsky
- Department of Neurobiology Physiology Behavior, University of California, Davis, CA, 95616, USA
| | - John C Wingfield
- Department of Neurobiology Physiology Behavior, University of California, Davis, CA, 95616, USA
| | - Simone L Meddle
- The Roslin Institute, University of Edinburgh, Midlothian, EH25 9RG, Scotland, UK
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7
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Solovyeva D, Barykina DA, Prokopenko OD, Balsby TJS, Fox AD. Annual variation in waterbird clutch initiation date in relation to spring thaw in Arctic Russia. INTERNATIONAL JOURNAL OF BIOMETEOROLOGY 2022; 66:1005-1012. [PMID: 35194684 DOI: 10.1007/s00484-022-02256-8] [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: 10/21/2021] [Revised: 02/08/2022] [Accepted: 02/14/2022] [Indexed: 06/14/2023]
Abstract
To test for the degree of species-specific variation in clutch initiation date in relation to spring thaw, we recorded first egg dates in 1433 nests of seven large bodied long-distance migratory waterbird species breeding on Ayopechan Island in the Chaun Delta, Chukotka, in the Russian Arctic during 2002-2020. Pacific Loon Gavia pacifica, Sandhill Crane Grus canadensis and Glaucous Gull Larus hyperboreus all adjusted timing of clutch initiation completely to annual variation in first frost-free dates. First egg dates of Spectacled Eider Somateria fischeri also significantly advanced in warmer springs, but the rate of change was significantly less than unity, implying a reduced capacity to accommodate change in vernal thaw that may not be able to keep up with greater change in the future. Long-tailed Duck Clangula hyemalis and Vega Gull Larus vegae showed a tendency for earlier first egg dates in years with earlier first frost-free date, but for both species, the relationship failed to reach statistical significance. Bewick's Swan Cygnus columbianus showed almost no change in mean first egg date across the observed variation in first frost-free dates. Based on these data, we suggest that while all seven species showed signs of plasticity in their timing of onset of breeding, Pacific Loon, Sandhill Crane and Glaucous Gull showed greater adaptability to adjust the timing of their breeding season to recent variation in spring thaw than the other four species studied here over this period.
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Affiliation(s)
- Diana Solovyeva
- Institute of Biological Problems of the North, Far East Branch, Russian Academy of Sciences, Portovava 18, Magadan, 685000, Russia
| | - Daria A Barykina
- Institute of Biological Problems of the North, Far East Branch, Russian Academy of Sciences, Portovava 18, Magadan, 685000, Russia
| | - Olga D Prokopenko
- Institute of Biological Problems of the North, Far East Branch, Russian Academy of Sciences, Portovava 18, Magadan, 685000, Russia
| | - Thorsten J S Balsby
- Department of Ecoscience, Aarhus University, Kalø, Grenåvej 14, 8410, Rønde, Denmark
| | - Anthony D Fox
- Department of Ecoscience, Aarhus University, Kalø, Grenåvej 14, 8410, Rønde, Denmark.
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8
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Lameris TK, Hoekendijk J, Aarts G, Aarts A, Allen AM, Bienfait L, Bijleveld AI, Bongers MF, Brasseur S, Chan YC, de Ferrante F, de Gelder J, Derksen H, Dijkgraaf L, Dijkhuis LR, Dijkstra S, Elbertsen G, Ernsten R, Foxen T, Gaarenstroom J, Gelhausen A, van Gils JA, Grosscurt S, Grundlehner A, Hertlein ML, van Heumen AJ, Heurman M, Huffeldt NP, Hutter WH, Kamstra YJJ, Keij F, van Kempen S, Keurntjes G, Knap H, Loonstra AJ, Nolet BA, Nuijten RJ, Mattijssen D, Oosterhoff H, Paarlberg N, Parekh M, Pattyn J, Polak C, Quist Y, Ras S, Reneerkens J, Ruth S, van der Schaar E, Schroen G, Spikman F, van Velzen J, Voorn E, Vos J, Wang D, Westdijk W, Wind M, Zhemchuzhnikov MK, van Langevelde F. Migratory vertebrates shift migration timing and distributions in a warming Arctic. ANIMAL MIGRATION 2021. [DOI: 10.1515/ami-2020-0112] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/29/2022] Open
Abstract
Abstract
Climate warming in the Arctic has led to warmer and earlier springs, and as a result, many food resources for migratory animals become available earlier in the season, as well as become distributed further northwards. To optimally profit from these resources, migratory animals are expected to arrive earlier in the Arctic, as well as shift their own spatial distributions northwards. Here, we review literature to assess whether Arctic migratory birds and mammals already show shifts in migration timing or distribution in response to the warming climate. Distribution shifts were most prominent in marine mammals, as expected from observed northward shifts of their resources. At least for many bird species, the ability to shift distributions is likely constrained by available habitat further north. Shifts in timing have been shown in many species of terrestrial birds and ungulates, as well as for polar bears. Within species, we found strong variation in shifts in timing and distributions between populations. Ou r review thus shows that many migratory animals display shifts in migration timing and spatial distribution in reaction to a warming Arctic. Importantly, we identify large knowledge gaps especially concerning distribution shifts and timing of autumn migration, especially for marine mammals. Our understanding of how migratory animals respond to climate change appears to be mostly limited by the lack of long-term monitoring studies.
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Affiliation(s)
- Thomas K. Lameris
- Department of Coastal Systems , NIOZ Royal Netherlands Institute for Sea Research , Den Burg, Texel, The Netherlands ; Department of Animal Ecology , Netherlands Institute of Ecology (NIOO-KNAW) , Wageningen , the Netherlands
| | - Jeroen Hoekendijk
- Department of Coastal Systems , NIOZ Royal Netherlands Institute for Sea Research , Den Burg, Texel, The Netherlands
| | - Geert Aarts
- Department of Coastal Systems , NIOZ Royal Netherlands Institute for Sea Research , Den Burg, Texel, The Netherlands
- Wildlife Ecology & Conservation Group , Wageningen University , Wageningen , The Netherlands
- Wageningen Marine Research , Wage-ningen University and Research , Den Helder , the Netherlands
| | - Aline Aarts
- Wildlife Ecology & Conservation Group , Wageningen University , Wageningen , The Netherlands
| | - Andrew M. Allen
- Department of Animal Ecology , Netherlands Institute of Ecology (NIOO-KNAW) , Wageningen , the Netherlands
| | - Louise Bienfait
- Wildlife Ecology & Conservation Group , Wageningen University , Wageningen , The Netherlands
| | - Allert I. Bijleveld
- Department of Coastal Systems , NIOZ Royal Netherlands Institute for Sea Research , Den Burg, Texel, The Netherlands
| | - Morten F. Bongers
- Wildlife Ecology & Conservation Group , Wageningen University , Wageningen , The Netherlands
| | - Sophie Brasseur
- Department of Coastal Systems , NIOZ Royal Netherlands Institute for Sea Research , Den Burg, Texel, The Netherlands
- Wageningen Marine Research , Wage-ningen University and Research , Den Helder , the Netherlands
| | - Ying-Chi Chan
- Department of Coastal Systems , NIOZ Royal Netherlands Institute for Sea Research , Den Burg, Texel, The Netherlands
- Conservation Ecology Group, Groningen Institute for Evolutionary Life Sciences (GELIFES) , University of Groningen , Groningen , the Netherlands
| | - Frits de Ferrante
- Wildlife Ecology & Conservation Group , Wageningen University , Wageningen , The Netherlands
| | - Jesse de Gelder
- Wildlife Ecology & Conservation Group , Wageningen University , Wageningen , The Netherlands
| | - Hilmar Derksen
- Wildlife Ecology & Conservation Group , Wageningen University , Wageningen , The Netherlands
| | - Lisa Dijkgraaf
- Wildlife Ecology & Conservation Group , Wageningen University , Wageningen , The Netherlands
| | - Laurens R. Dijkhuis
- Wildlife Ecology & Conservation Group , Wageningen University , Wageningen , The Netherlands
| | - Sanne Dijkstra
- Wildlife Ecology & Conservation Group , Wageningen University , Wageningen , The Netherlands
| | - Gert Elbertsen
- Wildlife Ecology & Conservation Group , Wageningen University , Wageningen , The Netherlands
| | - Roosmarijn Ernsten
- Wildlife Ecology & Conservation Group , Wageningen University , Wageningen , The Netherlands
| | - Tessa Foxen
- Wildlife Ecology & Conservation Group , Wageningen University , Wageningen , The Netherlands
| | - Jari Gaarenstroom
- Wildlife Ecology & Conservation Group , Wageningen University , Wageningen , The Netherlands
| | - Anna Gelhausen
- Wildlife Ecology & Conservation Group , Wageningen University , Wageningen , The Netherlands
| | - Jan A. van Gils
- Department of Coastal Systems , NIOZ Royal Netherlands Institute for Sea Research , Den Burg, Texel, The Netherlands
- Conservation Ecology Group, Groningen Institute for Evolutionary Life Sciences (GELIFES) , University of Groningen , Groningen , the Netherlands
| | - Sebastiaan Grosscurt
- Wildlife Ecology & Conservation Group , Wageningen University , Wageningen , The Netherlands
| | - Anne Grundlehner
- Wildlife Ecology & Conservation Group , Wageningen University , Wageningen , The Netherlands
| | - Marit L. Hertlein
- Wildlife Ecology & Conservation Group , Wageningen University , Wageningen , The Netherlands
| | - Anouk J.P. van Heumen
- Wildlife Ecology & Conservation Group , Wageningen University , Wageningen , The Netherlands
| | - Moniek Heurman
- Wildlife Ecology & Conservation Group , Wageningen University , Wageningen , The Netherlands
| | - Nicholas Per Huffeldt
- Greenland Institute of Natural Resources , Nuuk , Greenland & Arctic Ecosystem Ecology, Department of Bioscience , Aarhus University , Roskilde , Denmark
| | - Willemijn H. Hutter
- Wildlife Ecology & Conservation Group , Wageningen University , Wageningen , The Netherlands
| | - Ynze J. J. Kamstra
- Wildlife Ecology & Conservation Group , Wageningen University , Wageningen , The Netherlands
| | - Femke Keij
- Wildlife Ecology & Conservation Group , Wageningen University , Wageningen , The Netherlands
| | - Susanne van Kempen
- Wildlife Ecology & Conservation Group , Wageningen University , Wageningen , The Netherlands
| | - Gabi Keurntjes
- Wildlife Ecology & Conservation Group , Wageningen University , Wageningen , The Netherlands
| | - Harmen Knap
- Wildlife Ecology & Conservation Group , Wageningen University , Wageningen , The Netherlands
| | | | - Bart A. Nolet
- Department of Animal Ecology , Netherlands Institute of Ecology (NIOO-KNAW) , Wageningen , the Netherlands
- Theoretical and Computational Ecology, Institute for Biodiversity and Ecosystem Dynamics , University of Amsterdam , Amsterdam , the Netherlands
| | - Rascha J.M. Nuijten
- Wildlife Ecology & Conservation Group , Wageningen University , Wageningen , The Netherlands
- Interdisciplinary Centre for Conservation Science, Department of Zoology , University of Oxford , Oxford , UK
| | - Djan Mattijssen
- Wildlife Ecology & Conservation Group , Wageningen University , Wageningen , The Netherlands
| | - Hanna Oosterhoff
- Wildlife Ecology & Conservation Group , Wageningen University , Wageningen , The Netherlands
| | - Nienke Paarlberg
- Wildlife Ecology & Conservation Group , Wageningen University , Wageningen , The Netherlands
| | - Malou Parekh
- Wildlife Ecology & Conservation Group , Wageningen University , Wageningen , The Netherlands
| | - Jef Pattyn
- Wildlife Ecology & Conservation Group , Wageningen University , Wageningen , The Netherlands
| | - Celeste Polak
- Wildlife Ecology & Conservation Group , Wageningen University , Wageningen , The Netherlands
| | - Yordi Quist
- Wildlife Ecology & Conservation Group , Wageningen University , Wageningen , The Netherlands
| | - Susan Ras
- Wildlife Ecology & Conservation Group , Wageningen University , Wageningen , The Netherlands
| | - Jeroen Reneerkens
- Department of Coastal Systems , NIOZ Royal Netherlands Institute for Sea Research , Den Burg, Texel, The Netherlands
| | - Saskia Ruth
- Wildlife Ecology & Conservation Group , Wageningen University , Wageningen , The Netherlands
| | - Evelien van der Schaar
- Wildlife Ecology & Conservation Group , Wageningen University , Wageningen , The Netherlands
| | - Geert Schroen
- Wildlife Ecology & Conservation Group , Wageningen University , Wageningen , The Netherlands
| | - Fanny Spikman
- Wildlife Ecology & Conservation Group , Wageningen University , Wageningen , The Netherlands
| | - Joyce van Velzen
- Wildlife Ecology & Conservation Group , Wageningen University , Wageningen , The Netherlands
| | - Ezra Voorn
- Wildlife Ecology & Conservation Group , Wageningen University , Wageningen , The Netherlands
| | - Janneke Vos
- Wildlife Ecology & Conservation Group , Wageningen University , Wageningen , The Netherlands
| | - Danyang Wang
- Wildlife Ecology & Conservation Group , Wageningen University , Wageningen , The Netherlands
| | - Wilson Westdijk
- Wildlife Ecology & Conservation Group , Wageningen University , Wageningen , The Netherlands
| | - Marco Wind
- Wildlife Ecology & Conservation Group , Wageningen University , Wageningen , The Netherlands
| | - Mikhail K. Zhemchuzhnikov
- Department of Coastal Systems , NIOZ Royal Netherlands Institute for Sea Research , Den Burg, Texel, The Netherlands
| | - Frank van Langevelde
- Wildlife Ecology & Conservation Group , Wageningen University , Wageningen , The Netherlands
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9
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Verhoeven MA, Loonstra AHJ, McBride AD, Kaspersma W, Hooijmeijer JCEW, Both C, Senner NR, Piersma T. Age-dependent timing and routes demonstrate developmental plasticity in a long-distance migratory bird. J Anim Ecol 2021; 91:566-579. [PMID: 34822170 PMCID: PMC9299929 DOI: 10.1111/1365-2656.13641] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/17/2020] [Accepted: 11/18/2021] [Indexed: 12/01/2022]
Abstract
Longitudinal tracking studies have revealed consistent differences in the migration patterns of individuals from the same populations. The sources or processes causing this individual variation are largely unresolved. As a result, it is mostly unknown how much, how fast and when animals can adjust their migrations to changing environments. We studied the ontogeny of migration in a long‐distance migratory shorebird, the black‐tailed godwit Limosa limosa limosa, a species known to exhibit marked individuality in the migratory routines of adults. By observing how and when these individual differences arise, we aimed to elucidate whether individual differences in migratory behaviour are inherited or emerge as a result of developmental plasticity. We simultaneously tracked juvenile and adult godwits from the same breeding area on their south‐ and northward migrations. To determine how and when individual differences begin to arise, we related juvenile migration routes, timing and mortality rates to hatch date and hatch year. Then, we compared adult and juvenile migration patterns to identify potential age‐dependent differences. In juveniles, the timing of their first southward departure was related to hatch date. However, their subsequent migration routes, orientation, destination, migratory duration and likelihood of mortality were unrelated to the year or timing of migration, or their sex. Juveniles left the Netherlands after all tracked adults. They then flew non‐stop to West Africa more often and incurred higher mortality rates than adults. Some juveniles also took routes and visited stopover sites far outside the well‐documented adult migratory corridor. Such juveniles, however, were not more likely to die. We found that juveniles exhibited different migratory patterns than adults, but no evidence that these behaviours are under natural selection. We thus eliminate the possibility that the individual differences observed among adult godwits are present at hatch or during their first migration. This adds to the mounting evidence that animals possess the developmental plasticity to change their migration later in life in response to environmental conditions as those conditions are experienced.
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Affiliation(s)
- Mo A Verhoeven
- Conservation Ecology Group, Groningen Institute for Evolutionary Life Sciences, University of Groningen, Groningen, The Netherlands
| | - A H Jelle Loonstra
- Conservation Ecology Group, Groningen Institute for Evolutionary Life Sciences, University of Groningen, Groningen, The Netherlands
| | - Alice D McBride
- Conservation Ecology Group, Groningen Institute for Evolutionary Life Sciences, University of Groningen, Groningen, The Netherlands
| | - Wiebe Kaspersma
- Conservation Ecology Group, Groningen Institute for Evolutionary Life Sciences, University of Groningen, Groningen, The Netherlands
| | - Jos C E W Hooijmeijer
- Conservation Ecology Group, Groningen Institute for Evolutionary Life Sciences, University of Groningen, Groningen, The Netherlands
| | - Christiaan Both
- Conservation Ecology Group, Groningen Institute for Evolutionary Life Sciences, University of Groningen, Groningen, The Netherlands
| | - Nathan R Senner
- Conservation Ecology Group, Groningen Institute for Evolutionary Life Sciences, University of Groningen, Groningen, The Netherlands
| | - Theunis Piersma
- Conservation Ecology Group, Groningen Institute for Evolutionary Life Sciences, University of Groningen, Groningen, The Netherlands.,Department of Coastal Systems, NIOZ Royal Netherlands Institute for Sea Research, Texel, The Netherlands
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10
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Meltofte H, Hansen J, Rigét F. Trends in breeding performance in wader populations at Zackenberg, high Arctic Greenland, in relation to environmental drivers 1996–2018. Polar Biol 2021. [DOI: 10.1007/s00300-021-02922-4] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/20/2022]
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11
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Mizel JD, Schmidt JH, Mcintyre CL. Climate and weather have differential effects in a high latitude passerine community. Oecologia 2021; 195:355-365. [PMID: 33439358 DOI: 10.1007/s00442-020-04847-x] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/30/2020] [Accepted: 12/29/2020] [Indexed: 11/28/2022]
Abstract
Climatic factors act on populations at multiple timescales leading to the separation of long-term climate and shorter-term weather effects. We used passerine counts from 1995 to 2019 in subarctic Alaska (Denali National Park, USA) to assess the impacts of the prior breeding season's weather on breeding season abundance and the impacts of climate measured through shifts in elevational distribution. Weather and climate appear to have had opposing effects on the abundance of some shrub-associated species as evidenced by a positive response to nesting phase temperature over a 1-year lag and a negative response to warming-induced shifts in shrub-dominated habitats over the long term. The latter response was indicated by declines in abundance which occurred in some part through portions of these populations shifting upslope of our fixed sampling frame. Overall, the abundance of species was related to one or more of the lagged effects of weather and the effects of weather alone drove nearly twofold variation in annual abundance in most species. The effect of nesting phase temperature was a strong positive predictor at both community and individual species levels, whereas arrival phase temperature had weak support at both levels. The effects of total precipitation during the nesting phase and snowmelt timing shared mixed support at community and species levels, but generally indicated higher abundance following seasons that were drier and had earlier snowmelt. Together, our findings of opposing effects of climatic variables at different timescales have implications for understanding the mechanisms of population and distributional change in passerines in the subarctic.
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Affiliation(s)
- Jeremy D Mizel
- Arctic Network, U.S. National Park Service, 4175 Geist Road, Fairbanks, AK, 99709, USA.
| | - Joshua H Schmidt
- Central Alaska Network, U.S. National Park Service, 4175 Geist Road, Fairbanks, AK, 99709, USA
| | - Carol L Mcintyre
- Central Alaska Network, U.S. National Park Service, 4175 Geist Road, Fairbanks, AK, 99709, USA
- Denali National Park and Preserve, U.S. National Park Service, 4175 Geist Road, Fairbanks, AK, 99709, USA
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12
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Krause JS, Németh Z, Pérez JH, Chmura HE, Word KR, Lau HJ, Swanson RE, Cheah JC, Quach LN, Meddle SL, Wingfield JC, Ramenofsky M. Annual regulation of adrenocortical function in migrant and resident subspecies of white-crowned sparrow. Horm Behav 2021; 127:104884. [PMID: 33171133 DOI: 10.1016/j.yhbeh.2020.104884] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 05/19/2020] [Revised: 10/29/2020] [Accepted: 10/30/2020] [Indexed: 12/15/2022]
Abstract
Corticosterone affects physiology and behavior both during normal daily processes but also in response to environmental challenges and is known to mediate life history trade-offs. Many studies have investigated patterns of corticosterone production at targeted times of year, while ignoring underlying annual profiles. We aimed to understand the annual regulation of hypothalamic-pituitary-adrenal (HPA) axis function of both migrant (Zonotrichia leucophrys gambelii; n = 926) and resident (Z. l. nutalli; n = 688) subspecies of white-crowned sparrow and how it is influenced by environmental conditions - wind, precipitation, and temperature. We predicted that more dramatic seasonal changes in baseline and stress-induced corticosterone would occur in migrants to precisely time the onset of breeding and cope with environmental extremes on their arctic breeding grounds, while changes in residents would be muted as they experience a more forgiving breeding schedule and comparatively benign environmental conditions in coastal California. During the course of a year, the harshest conditions were experienced the summer breeding grounds for migrants, at which point they had higher corticosterone levels compared to residents. For residents, the winter months coincided with harshest conditions at which point they had higher corticosterone levels than migrants. For both subspecies, corticosterone tended to rise as environmental conditions became colder and windier. We found that the annual maxima in stress-induced corticosterone occurred prior to egg lay for all birds except resident females. Migrants had much higher baseline and acute stress-induced corticosterone during breeding compared to residents; where in a harsher environment the timing of the onset of reproduction is more critical because the breeding season is shorter. Interestingly, molt was the only stage within the annual cycle in which subspecies differences were absent suggesting that a requisite reduction in corticosterone may have to be met for feather growth. These data suggest that modulation of the HPA axis is largely driven by environmental factors, social cues, and their potential interactions with a genetic program.
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Affiliation(s)
- Jesse S Krause
- Department of Neurobiology Physiology Behavior, University of California, Davis, CA 95616, USA; Department of Biology, University of Nevada Reno, Reno, NV 89557, USA.
| | - Zoltán Németh
- MTA-DE Behavioral Ecology Research Group, Department of Evolutionary Zoology and Human Biology, University of Debrecen, Debrecen, Egyetem tér 1., 4032, Hungary
| | - Jonathan H Pérez
- Department of Neurobiology Physiology Behavior, University of California, Davis, CA 95616, USA; Inst. of Biodiversity, Animal Health & Comp. Medicine, University of Glasgow, Glasgow G12 8QQ, UK; The Roslin Institute, Univ. of Edinburgh, Midlothian EH25 9RG, Scotland, UK
| | - Helen E Chmura
- Department of Neurobiology Physiology Behavior, University of California, Davis, CA 95616, USA; Institute of Arctic Biology, University of Alaska, Fairbanks, Fairbanks, AK 99775, USA
| | - Karen R Word
- Department of Neurobiology Physiology Behavior, University of California, Davis, CA 95616, USA
| | - Hannah J Lau
- Department of Neurobiology Physiology Behavior, University of California, Davis, CA 95616, USA
| | - Ryan E Swanson
- Department of Neurobiology Physiology Behavior, University of California, Davis, CA 95616, USA
| | - Jeffrey C Cheah
- Department of Neurobiology Physiology Behavior, University of California, Davis, CA 95616, USA
| | - Lisa N Quach
- Department of Neurobiology Physiology Behavior, University of California, Davis, CA 95616, USA
| | - Simone L Meddle
- The Roslin Institute, Univ. of Edinburgh, Midlothian EH25 9RG, Scotland, UK
| | - John C Wingfield
- Department of Neurobiology Physiology Behavior, University of California, Davis, CA 95616, USA
| | - Marilyn Ramenofsky
- Department of Neurobiology Physiology Behavior, University of California, Davis, CA 95616, USA
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13
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Early Goose Arrival Increases Soil Nitrogen Availability More Than an Advancing Spring in Coastal Western Alaska. Ecosystems 2020. [DOI: 10.1007/s10021-019-00472-9] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/25/2022]
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14
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Direct and indirect effects of temperature and prey abundance on bald eagle reproductive dynamics. Oecologia 2019; 192:391-401. [PMID: 31858230 DOI: 10.1007/s00442-019-04578-8] [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: 04/23/2019] [Accepted: 12/05/2019] [Indexed: 10/25/2022]
Abstract
Understanding the mechanisms by which populations are regulated is critical for predicting the effects of large-scale perturbations. While discrete mortality events provide clear evidence of direct impacts, indirect pathways are more difficult to assess but may play important roles in population and ecosystem dynamics. Here, we use multi-state occupancy models to analyze a long-term dataset on nesting bald eagles in south-central Alaska with the goal of identifying both direct and indirect mechanisms influencing reproductive output in this apex predator. We found that the probabilities of both nest occupancy and success were higher in the portion of the study area where water turbidity was low, supporting the hypothesis that access to aquatic prey is a critical factor limiting the reproductive output of eagles in this system. As expected, nest success was also positively related to salmon abundance; however, the negative effect of spring warmth suggested that access to salmon resources is indirectly diminished in warm springs as a consequence of increased glacial melt. Together, these findings reveal complex interrelationships between a critical prey resource and large-scale weather and climate processes which likely alter the accessibility of resources rather than directly affecting resource abundance. While important for understanding bald eagle reproductive dynamics in this system specifically, our results have broader implications that suggest complex interrelationships among system components.
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15
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de Zwaan DR, Wilson S, Gow EA, Martin K. Sex-Specific Spatiotemporal Variation and Carry-Over Effects in a Migratory Alpine Songbird. Front Ecol Evol 2019. [DOI: 10.3389/fevo.2019.00285] [Citation(s) in RCA: 12] [Impact Index Per Article: 2.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/31/2023] Open
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16
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Patch use in the arctic ground squirrel: effects of micro-topography and shrub encroachment in the Arctic Circle. Oecologia 2019; 190:243-254. [PMID: 31016381 DOI: 10.1007/s00442-019-04400-5] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/24/2017] [Accepted: 04/02/2019] [Indexed: 10/27/2022]
Abstract
We investigated the roles of vegetation structure, micro-topographic relief, and predator activity patterns (time of day) on the perception of predatory risk of arctic ground squirrels (Urocitellus parryii), an abundant pan-Arctic omnivore, in Arctic Circle tundra on the North Slope of Alaska, where tundra vegetation structure has been predicted to change in response to climate. We quantified foraging intensity by measuring the giving-up densities (GUDs) of the arctic ground squirrels in experimental foraging patches along a heath-graminoid-shrub moist tundra gradient. We hypothesized that foraging intensity of arctic ground squirrels would be greatest and GUDs lowest, where low-stature vegetation or raised micro-topography improves sightlines for predator detection. Furthermore, GUDs should vary with time of day and reflect 24-h cycles of varying predation risk. Foraging intensity varied temporally, being highest in the afternoon and lowest overnight. During the morning, foraging intensity was inversely correlated with the normalized difference vegetation index (NDVI), a proxy for vegetation productivity and cover. Foraging was additionally measured within landscapes of fear, confirming that vegetative and topographic obstructions of sightlines reduces foraging intensity and increases GUDs. We conclude that arctic ground squirrels may affect Arctic Circle vegetation of tundra ecosystems, but these effects will vary spatially and temporally.
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17
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Hunt KE, Hahn TP, Buck CL, Wingfield JC. Effect of testosterone blockers on male aggression, song and parental care in an arctic passerine, the Lapland longspur (Calcarius lapponicus). Horm Behav 2019; 110:10-18. [PMID: 30735664 DOI: 10.1016/j.yhbeh.2019.02.001] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 10/18/2018] [Revised: 01/16/2019] [Accepted: 02/04/2019] [Indexed: 01/19/2023]
Abstract
In many passerine birds, testosterone stimulates song and aggression but inhibits paternal care, but few studies have explored whether such effects can be reversed with testosterone blockers. We explored the effect of testosterone blockers on song, aggression and paternal care of Lapland longspurs (Calcarius lapponicus), an arctic passerine with a short breeding season. Twenty-one "blocker males" received implants containing an androgen receptor blocker and an aromatase inhibitor, compared to 27 control males with empty or no implants. Song, aggression and other behaviors were evaluated with simulated territorial intrusions (STI) during mate-guarding, and with focal observations (without STI) during mate-guarding and incubation. Nests were monitored and nestlings weighed as an indirect measure of paternal care. During STI, blocker males exhibited similar song rates, significantly lower aggression, and were significantly less likely to be found on territory than control males. Focal observations revealed no differences in spontaneous song, aggression, foraging, preening, or flight activity. Blocker males' nestlings had greater body mass on day 5 after hatching, but this difference disappeared by fledging, and both groups fledged similar numbers of young. Two blocker males exhibited unusual paternal care: incubation and brooding of young, or feeding of nestlings at another male's nest. In sum, testosterone blockers affected aggression but not song, contrasting with results from previously published testosterone implant studies. Effects on paternal care were concordant with testosterone implant studies. These patterns may be related to rapid behavioral changes characteristic of the short breeding season of the Arctic.
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Affiliation(s)
- Kathleen E Hunt
- Department of Biological Sciences, Northern Arizona University, Flagstaff, AZ 86011, USA.
| | - Thomas P Hahn
- Department of Neurobiology, Physiology & Behavior, University of California, One Shields Ave., Davis, CA 95616, USA.
| | - C Loren Buck
- Department of Biological Sciences, Northern Arizona University, Flagstaff, AZ 86011, USA.
| | - John C Wingfield
- Department of Neurobiology, Physiology & Behavior, University of California, One Shields Ave., Davis, CA 95616, USA.
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18
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Fudickar AM, Ketterson ED. Genomes to space stations: the need for the integrative study of migration for avian conservation. Biol Lett 2018; 14:rsbl.2017.0741. [PMID: 29445045 DOI: 10.1098/rsbl.2017.0741] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/01/2017] [Accepted: 01/25/2018] [Indexed: 01/07/2023] Open
Abstract
Ongoing changes to global weather patterns and human modifications of the environment have altered the breeding and non-breeding ranges of migratory species, the timing of their migrations, and even whether they continue to migrate at all. Animal movements are arguably one of the most difficult behaviours to study, particularly in smaller birds that migrate tens to thousands of kilometres seasonally, often moving hundreds of kilometres each day. The recent miniaturization of tracking and logging devices has led to a radical transformation in our understanding of avian migratory behaviour and migratory connectivity. While advances in technology have altered the way researchers study migratory behaviour in the field, advances in techniques related to the study of physiological and genetic mechanisms underlying migratory behaviour have rarely been integrated into field studies of tracking. To predict the capacity of migrants to adjust to a changing planet, it is essential that we combine avian migration data with physiological and genetic measurements taken at key time points prior to, during and after migration.
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Affiliation(s)
- Adam M Fudickar
- Environmental Resilience Institute, Indiana University, Bloomington, IN 47405, USA .,Department of Biology, Indiana University, Bloomington, IN 47405, USA
| | - Ellen D Ketterson
- Environmental Resilience Institute, Indiana University, Bloomington, IN 47405, USA.,Department of Biology, Indiana University, Bloomington, IN 47405, USA
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19
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Rattenbury KL, Schmidt JH, Swanson DK, Borg BL, Mangipane BA, Sousanes PJ. Delayed spring onset drives declines in abundance and recruitment in a mountain ungulate. Ecosphere 2018. [DOI: 10.1002/ecs2.2513] [Citation(s) in RCA: 14] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/10/2022] Open
Affiliation(s)
- Kumi L. Rattenbury
- Arctic Network U.S. National Park Service 4175 Geist Road Fairbanks Alaska 99709 USA
| | - Joshua H. Schmidt
- Central Alaska Network U.S. National Park Service 4175 Geist Road Fairbanks Alaska 99709 USA
| | - David K. Swanson
- Arctic Network U.S. National Park Service 4175 Geist Road Fairbanks Alaska 99709 USA
| | - Bridget L. Borg
- Denali National Park and Preserve P.O. Box 9 Denali Park Alaska 99755 USA
| | - Buck A. Mangipane
- Lake Clark National Park and Preserve U.S. National Park Service General Delivery Port Alsworth Alaska 99653 USA
| | - Pam J. Sousanes
- Arctic Network U.S. National Park Service 4175 Geist Road Fairbanks Alaska 99709 USA
- Central Alaska Network U.S. National Park Service 4175 Geist Road Fairbanks Alaska 99709 USA
- Denali National Park and Preserve P.O. Box 9 Denali Park Alaska 99755 USA
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20
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Krause JS, Pérez JH, Chmura HE, Meddle SL, Hunt KE, Gough L, Boelman N, Wingfield JC. Weathering the storm: Do arctic blizzards cause repeatable changes in stress physiology and body condition in breeding songbirds? Gen Comp Endocrinol 2018; 267:183-192. [PMID: 30031732 PMCID: PMC6127033 DOI: 10.1016/j.ygcen.2018.07.004] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 11/28/2017] [Revised: 04/09/2018] [Accepted: 07/07/2018] [Indexed: 11/24/2022]
Abstract
Severe weather events are increasing worldwide because of climate change. To cope with severe weather events, vertebrates rely on the stress response which is activated by the hypothalamic-pituitary adrenal (HPA) axis to adjust physiology and behavior. Previous studies have detailed changes in baseline concentrations of the stress hormone corticosterone during a single storm event, but little data exists on how stress physiology and body condition are adjusted as the storm progresses across multiple days. This represents a serious gap in our understanding of how birds respond physiologically over the duration of a storm. We documented arctic snowstorms that occurred over five consecutive years that were endured by Lapland longspurs (Calcarius lapponicus; 2012-2016) and in three consecutive years by white-crowned sparrows (Zonotrichia leucophrys gambelii; 2014-2016). Data were collected on storm-free days, during snowstorms ranging in length from 1 to 3 days, and the day immediately following a snowstorm. The specific aims were to understand how stress physiology, measured at baseline and in response to restraint handling, and body condition changed over multiple days of the storm, and if these responses were consistent across years. Snowstorms did not affect baseline corticosterone concentrations for either species except for female Lapland longspurs and male white-crowned sparrows in 2014. Lapland longspurs, regardless of sex, increased stress-induced (restraint handling) corticosterone in response to snowstorms in all years but 2013, which was characterized by unusually harsh conditions. Both sexes of White-crowned sparrows showed a significant increase in the stress-induced levels of corticosterone during snowstorms in one of the three years of the study. Stress-induced corticosterone concentrations were only different across each day of the storm in one year of the study for Lapland longspurs. Changes in fat and body mass were not uniform across years, but measurable increases in fat stores and body mass were detected in males of both species during the first day of a snowstorm with declines typically occurring by the second day. Our study showed that severe weather events often caused rapid increases in HPA axis activity and body condition, but these profiles are likely dependent upon ecological and environmental context within the breeding season.
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Affiliation(s)
- Jesse S Krause
- Department of Neurobiology, Physiology and Behavior, University of California Davis, One Shields Avenue, Davis, CA 95616, USA.
| | - Jonathan H Pérez
- Department of Neurobiology, Physiology and Behavior, University of California Davis, One Shields Avenue, Davis, CA 95616, USA
| | - Helen E Chmura
- Department of Neurobiology, Physiology and Behavior, University of California Davis, One Shields Avenue, Davis, CA 95616, USA
| | - Simone L Meddle
- The Roslin Institute, The Royal (Dick) School of Veterinary Studies, The University of Edinburgh, Easter Bush, Midlothian EH25 9RG, Scotland, UK
| | - Kathleen E Hunt
- Northern Arizona University, Department of Biological Sciences, Flagstaff, AZ 86011, USA
| | - Laura Gough
- Department of Biological Sciences, Towson University, Towson, MD 21252, USA
| | - Natalie Boelman
- Department of Earth and Environmental Sciences, and Lamont-Doherty Earth Observatory of Columbia University, Palisades, NY 10964, USA
| | - John C Wingfield
- Department of Neurobiology, Physiology and Behavior, University of California Davis, One Shields Avenue, Davis, CA 95616, USA
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21
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Oliver RY, Ellis DPW, Chmura HE, Krause JS, Pérez JH, Sweet SK, Gough L, Wingfield JC, Boelman NT. Eavesdropping on the Arctic: Automated bioacoustics reveal dynamics in songbird breeding phenology. SCIENCE ADVANCES 2018; 4:eaaq1084. [PMID: 29938220 PMCID: PMC6010323 DOI: 10.1126/sciadv.aaq1084] [Citation(s) in RCA: 14] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 10/02/2017] [Accepted: 05/14/2018] [Indexed: 06/01/2023]
Abstract
Bioacoustic networks could vastly expand the coverage of wildlife monitoring to complement satellite observations of climate and vegetation. This approach would enable global-scale understanding of how climate change influences phenomena such as migratory timing of avian species. The enormous data sets that autonomous recorders typically generate demand automated analyses that remain largely undeveloped. We devised automated signal processing and machine learning approaches to estimate dates on which songbird communities arrived at arctic breeding grounds. Acoustically estimated dates agreed well with those determined via traditional surveys and were strongly related to the landscape's snow-free dates. We found that environmental conditions heavily influenced daily variation in songbird vocal activity, especially before egg laying. Our novel approaches demonstrate that variation in avian migratory arrival can be detected autonomously. Large-scale deployment of this innovation in wildlife monitoring would enable the coverage necessary to assess and forecast changes in bird migration in the face of climate change.
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Affiliation(s)
- Ruth Y. Oliver
- Department of Earth and Environmental Sciences, Columbia University, New York, NY 10027, USA
- Lamont-Doherty Earth Observatory, Columbia University, Palisades, NY 10964, USA
| | | | - Helen E. Chmura
- Department of Neurobiology, Physiology, and Behavior, University of California, Davis, Davis, CA 95616, USA
| | - Jesse S. Krause
- Department of Neurobiology, Physiology, and Behavior, University of California, Davis, Davis, CA 95616, USA
| | - Jonathan H. Pérez
- Department of Neurobiology, Physiology, and Behavior, University of California, Davis, Davis, CA 95616, USA
| | - Shannan K. Sweet
- Horticulture Section, School of Integrative Plant Science, Cornell University, Ithaca, NY 14853, USA
| | - Laura Gough
- Department of Biological Sciences, Towson University, Towson, MD 21252, USA
| | - John C. Wingfield
- Department of Neurobiology, Physiology, and Behavior, University of California, Davis, Davis, CA 95616, USA
| | - Natalie T. Boelman
- Department of Earth and Environmental Sciences, Columbia University, New York, NY 10027, USA
- Lamont-Doherty Earth Observatory, Columbia University, Palisades, NY 10964, USA
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22
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Krause JS, Pérez JH, Chmura HE, Sweet SK, Meddle SL, Hunt KE, Gough L, Boelman N, Wingfield JC. The effect of extreme spring weather on body condition and stress physiology in Lapland longspurs and white-crowned sparrows breeding in the Arctic. Gen Comp Endocrinol 2016; 237:10-18. [PMID: 27449342 PMCID: PMC5053339 DOI: 10.1016/j.ygcen.2016.07.015] [Citation(s) in RCA: 36] [Impact Index Per Article: 4.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 03/18/2016] [Revised: 07/08/2016] [Accepted: 07/14/2016] [Indexed: 02/06/2023]
Abstract
Climate change is causing rapid shifts in temperature while also increasing the frequency, duration, and intensity of extreme weather. In the northern hemisphere, the spring of 2013 was characterized as extreme due to record high snow cover and low temperatures. Studies that describe the effects of extreme weather on phenology across taxa are limited while morphological and physiological responses remain poorly understood. Stress physiology, as measured through baseline and stress-induced concentrations of cortisol or corticosterone, has often been studied to understand how organisms respond to environmental stressors. We compared body condition and stress physiology of two long-distance migrants breeding in low arctic Alaska - the white-crowned sparrow (Zonotrichia leucophrys) and Lapland longspur (Calcarius lapponicus) - in 2013, an extreme weather year, with three more typical years (2011, 2012, and 2014). The extended snow cover in spring 2013 caused measureable changes in phenology, body condition and physiology. Arrival timing for both species was delayed 4-5days compared to the other three years. Lapland longspurs had reduced fat stores, pectoralis muscle profiles, body mass, and hematocrit levels, while stress-induced concentrations of corticosterone were increased. Similarly, white-crowned sparrows had reduced pectoralis muscle profiles and hematocrit levels, but in contrast to Lapland longspurs, had elevated fat stores and no difference in mass or stress physiology relative to other study years. An understanding of physiological mechanisms that regulate coping strategies is of critical importance for predicting how species will respond to the occurrence of extreme events in the future due to global climate change.
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Affiliation(s)
- Jesse S Krause
- Department of Neurobiology, Physiology and Behavior, University of California Davis, One Shields Avenue, Davis, CA 95616, USA.
| | - Jonathan H Pérez
- Department of Neurobiology, Physiology and Behavior, University of California Davis, One Shields Avenue, Davis, CA 95616, USA
| | - Helen E Chmura
- Department of Neurobiology, Physiology and Behavior, University of California Davis, One Shields Avenue, Davis, CA 95616, USA
| | - Shannan K Sweet
- Department of Earth and Environmental Sciences, and Lamont-Doherty Earth Observatory of Columbia University, Palisades, NY 10964, USA
| | - Simone L Meddle
- The Roslin Institute, The Royal (Dick) School of Veterinary Studies, The University of Edinburgh, Easter Bush, Midlothian EH25 9RG, Scotland, UK
| | - Kathleen E Hunt
- John H. Prescott Marine Laboratory, Research Department, New England Aquarium, Boston, MA 02110, USA
| | - Laura Gough
- Department of Biological Sciences, Towson University, Towson, MD 21252, USA
| | - Natalie Boelman
- Department of Earth and Environmental Sciences, and Lamont-Doherty Earth Observatory of Columbia University, Palisades, NY 10964, USA
| | - John C Wingfield
- Department of Neurobiology, Physiology and Behavior, University of California Davis, One Shields Avenue, Davis, CA 95616, USA
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