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Conservation genomics reveals low connectivity among populations of threatened roseate terns (Sterna dougallii) in the Atlantic Basin. CONSERV GENET 2023. [DOI: 10.1007/s10592-023-01505-6] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/25/2023]
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Martins FMS, Godinho R, Palma L. Cores, edges and beyond: insights into the phylogeography of frigatebirds with a focus on ultraperipheral and endemic populations. CONSERV GENET 2022. [DOI: 10.1007/s10592-022-01466-2] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
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OUP accepted manuscript. Zool J Linn Soc 2022. [DOI: 10.1093/zoolinnean/zlac040] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/14/2022]
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Cruz CEF, Funkler GR, Zani ALS, Wagner PGC, Andretta I, Segura LN, Fagundes NJR. A Preliminary Assessment of the Potential Health and Genetic Impacts of Releasing Confiscated Passerines Into the Wild: A Reduced-Risk Approach. Front Vet Sci 2021; 8:679049. [PMID: 34708099 PMCID: PMC8542797 DOI: 10.3389/fvets.2021.679049] [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: 03/10/2021] [Accepted: 09/13/2021] [Indexed: 11/13/2022] Open
Abstract
The illegal capture and trade of wild birds have long been threats to biodiversity. The rehabilitation and release of confiscated animals may be a useful conservation tool in species management. However, differences between populations regarding health (e.g., different pathogens) and adaptation (e.g., local adaptation) must be taken into account, since both can negatively impact the recipient population. In this pilot study, we used two of the most illegally trafficked Brazilian wild passerine species, namely the red-crested cardinal (Paroaria coronata) and green-winged saltator (Saltator similis) as case studies and assessed some of the health threats that the release of confiscated passerines may pose to free-living birds. We also investigated the level of difference in mitochondrial genetic structure among populations living in different ecoregions. Blood, feces, and oropharyngeal swabs from confiscated (n = 115) and free-living (n = 120) passerines from the release sites were tested for the Newcastle disease virus, Salmonella spp., and Mycoplasma gallisepticum. These are considered major avian diseases by the Brazilian National Avian Health Program. We analyzed mtDNA to study the difference in genetic structure between populations using samples from 127 free-living passerines. We found no evidence of the Newcastle disease virus or Salmonella spp. in confiscated or free-living passerines from either species. However, the levels of infection with M. galissepticum detected in our study for red-crested cardinals and green-winged saltators calls for a high degree of caution in captive release programs. The difference in genetic structure between populations occurring in different regions was low, and was not significant between those from the Pampa/Subtropical Grasslands region. These results suggest that it may be possible to establish a cost-effective and sensitive protocol for releasing confiscated songbirds, provided that further genome-wide studies indicate that the functional genetic diversity among (at least some of the) populations is also low.
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Affiliation(s)
- Cláudio E F Cruz
- Centro de Estudos em Manejo de Aves Silvestres, Faculdade de Veterinária, Universidade Federal do Rio Grande do Sul, Porto Alegre, Brazil.,Programa de Pós-Graduação em Ciências Veterinárias, Faculdade de Veterinária, Universidade Federal do Rio Grande do Sul, Porto Alegre, Brazil
| | - Gustavo R Funkler
- Programa de Pós-Graduação em Ciências Veterinárias, Faculdade de Veterinária, Universidade Federal do Rio Grande do Sul, Porto Alegre, Brazil.,Laboratório Porto Belo, Porto Alegre, Brazil
| | - André L S Zani
- Programa de Pós-Graduação em Genética e Biologia Molecular, Instituto de Biociências, Universidade Federal do Rio Grande do Sul, Porto Alegre, Brazil
| | - Paulo G C Wagner
- Centro de Triagem de Animais Silvestres, Instituto Brasileiro do Meio Ambiente e dos Recursos Naturais Renováveis, Porto Alegre, Brazil
| | - Inês Andretta
- Laboratório de Ensino Zootécnico, Faculdade de Agronomia, Universidade Federal do Rio Grande do Sul, Porto Alegre, Brazil
| | - Luciano N Segura
- Museo de La Plata, Sección Ornitología, Universidad Nacional de La Plata, La Plata, Argentina
| | - Nelson J R Fagundes
- Programa de Pós-Graduação em Genética e Biologia Molecular, Instituto de Biociências, Universidade Federal do Rio Grande do Sul, Porto Alegre, Brazil.,Programa de Pós-Graduação em Biologia Animal, Instituto de Biociências, Universidade Federal do Rio Grande do Sul, Porto Alegre, Brazil
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Danckwerts DK, Humeau L, Pinet P, McQuaid CD, Le Corre M. Extreme philopatry and genetic diversification at unprecedented scales in a seabird. Sci Rep 2021; 11:6834. [PMID: 33767313 PMCID: PMC7994906 DOI: 10.1038/s41598-021-86406-9] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/21/2020] [Accepted: 03/12/2021] [Indexed: 01/31/2023] Open
Abstract
Effective conservation requires maintenance of the processes underlying species divergence, as well as understanding species' responses to episodic disturbances and long-term change. We explored genetic population structure at a previously unrecognized spatial scale in seabirds, focusing on fine-scale isolation between colonies, and identified two distinct genetic clusters of Barau's Petrels (Pterodroma baraui) on Réunion Island (Indian Ocean) corresponding to the sampled breeding colonies separated by 5 km. This unexpected result was supported by long-term banding and was clearly linked to the species' extreme philopatric tendencies, emphasizing the importance of philopatry as an intrinsic barrier to gene flow. This implies that loss of a single colony could result in the loss of genetic variation, impairing the species' ability to adapt to threats in the long term. We anticipate that these findings will have a pivotal influence on seabird research and population management, focusing attention below the species level of taxonomic organization.
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Affiliation(s)
- D K Danckwerts
- Coastal Research Group, Department of Zoology and Entomology, Rhodes University, Grahamstown, 6140, South Africa.
- UMR ENTROPIE (Université de La Réunion, IRD, CNRS, IFREMER, Université de Nouvelle-Calédonie), 15 Avenue René Cassin, CS 92003, 97744, Saint Denis Cedex 9, Ile de La Réunion, France.
| | - L Humeau
- UMR PVBMT (Université de La Réunion, CIRAD), 15 Avenue René Cassin, CS 92003, 97744, Saint Denis Cecodex 9, Ile de La Réunion, France
| | - P Pinet
- UMR ENTROPIE (Université de La Réunion, IRD, CNRS, IFREMER, Université de Nouvelle-Calédonie), 15 Avenue René Cassin, CS 92003, 97744, Saint Denis Cedex 9, Ile de La Réunion, France
- Parc National de La Réunion, LIFE+ Petrels, 258 rue de la République, 97431, Plaine des Palmistes, Ile de La Réunion, France
- Terres Australes Et Antarctique Françaises (TAAF), rue Gabriel Dejean, 97410, Saint-Pierre, Ile de La Réunion, France
| | - C D McQuaid
- Coastal Research Group, Department of Zoology and Entomology, Rhodes University, Grahamstown, 6140, South Africa
| | - M Le Corre
- UMR ENTROPIE (Université de La Réunion, IRD, CNRS, IFREMER, Université de Nouvelle-Calédonie), 15 Avenue René Cassin, CS 92003, 97744, Saint Denis Cedex 9, Ile de La Réunion, France
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Sebastiano M, Eens M, Pineau K, Chastel O, Costantini D. Food supplementation protects Magnificent frigatebird chicks against a fatal viral disease. Conserv Lett 2019. [DOI: 10.1111/conl.12630] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/15/2022] Open
Affiliation(s)
- Manrico Sebastiano
- Behavioural Ecology and Ecophysiology Group, Department of Biology University of Antwerp Wilrijk Belgium
| | - Marcel Eens
- Behavioural Ecology and Ecophysiology Group, Department of Biology University of Antwerp Wilrijk Belgium
| | - Kévin Pineau
- Groupe d'Etude et de Protection des Oiseaux en Guyane (GEPOG) Rémire‐Montjoly French Guiana
| | - Olivier Chastel
- Centre d'Etudes Biologiques de Chizé (CEBC) UMR7372‐ CNRS/University of La Rochelle France
| | - David Costantini
- Behavioural Ecology and Ecophysiology Group, Department of Biology University of Antwerp Wilrijk Belgium
- UMR 7221 CNRS/MNHN Muséum National d'Histoire Naturelle Sorbonne Universités Paris France
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Oxidative stress biomarkers are associated with visible clinical signs of a disease in frigatebird nestlings. Sci Rep 2017; 7:1599. [PMID: 28487518 PMCID: PMC5431617 DOI: 10.1038/s41598-017-01417-9] [Citation(s) in RCA: 17] [Impact Index Per Article: 2.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/23/2016] [Accepted: 03/29/2017] [Indexed: 02/07/2023] Open
Abstract
Infectious diseases are one of the most common threats for both domestic and wild animals, but little is known about the effects on the physiological condition and survival of wild animals. Here, we have tested for the first time in a wild vertebrate facing a viral disease possibly due to herpesvirus (i) whether nestlings with either low levels of oxidative damage or high levels of antioxidant protection are less susceptible to develop visible clinical signs, (ii) whether the disease is associated with the nestlings’ oxidative status, (iii) whether the association between the disease and oxidative status is similar between males and females (iv), and whether cloacal and tracheal swabs might be used to detect herpesvirus. To address our questions, we took advantage of a population of Magnificent frigatebirds (Fregata magnificens) whose nestlings have experienced high mortality rates in recent times. Our work shows that (i) blood lipid oxidative damage is associated with observable clinical signs and survival probabilities of nestling frigatebirds, and (ii) that high glutathione levels in red blood cells are associated with the emergence of visible clinical signs of the disease. Our work provides evidence that differences in the oxidative status of nestlings might underlie individual health and survival.
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