Article Dans Une Revue Frontiers in Marine Science Année : 2021

Seabird Migration Strategies: Flight Budgets, Diel Activity Patterns, and Lunar Influence

1 MARE - Marine and Environmental Sciences Centre [Portugal]
2 BAS - British Antarctic Survey
3 BirdLife International
4 Faculdade de Ciências [Lisboa]
5 CESAM - Centro de Estudos do Ambiente e do Mar = Centre for Environmental and Marine Studies [Aveiro]
6 Department of Zoology [Cambridge]
7 CEBC - Centre d'Études Biologiques de Chizé - UMR 7372
8 School of Environmental Sciences [Liverpool]
9 Department of Zoology
10 LCE - Laboratoire Chrono-environnement (UMR 6249)
11 IRBio UB - Institut de Recerca de la Biodiversitat - Biodiversity Research Institute [Barcelona, Spain]
12 NINA - Norwegian Institute for Nature Research
13 ECCC - Environment and Climate Change Canada
14 ENTROPIE [Réunion] - Ecologie marine tropicale dans les Océans Pacifique et Indien
15 FSU - Friedrich-Schiller-Universität Jena = Friedrich Schiller University Jena = Université de Iéna [Jena, Germany]
16 Max Planck Institute for Ornithology
17 Clinique Francheville [Périgueux]
18 JLU - Justus-Liebig-Universität Gießen = Justus Liebig University
19 St. John’s University
20 T.A.A.F. - Terres Australes et Antarctiques Françaises
21 Auckland War Memorial Museum
22 University of Auckland [Auckland]
23 CSIRO Marine and Atmosphere Research [Hobart]
24 Percy FitzPatrick Institute of African Ornithology
25 NIWA - National Institute of Water and Atmospheric Research [Christchurch]
26 Department of Bioscience [Aarhus]
27 Wageningen Marine Research [The Netherlands]
28 Hokkaido University of Science
29 Meiji Gakuin University
Thomas Clay
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Niels Schmidt

Résumé

Every year, billions of birds undertake extensive migrations between breeding and non-breeding areas, facing challenges that require behavioural adjustments, particularly to flight timing and duration. Such adjustments in daily activity patterns and the influence of extrinsic factors (e.g., environmental conditions, moonlight) have received much more research attention in terrestrial than marine migrants. Taking advantage of the widespread deployment in recent decades of combined light-level geolocator-immersion loggers, we investigated diel organisation and influence of the moon on flight activities during the non-breeding season of 21 migrant seabird species from a wide taxonomic range (6 families, 3 orders). Migrant seabirds regularly stopped (to either feed or rest) during migration, unlike some terrestrial and wetland birds which fly non-stop. We found an overall increase for most seabird species in time in flight and, for several species, also in flight bout duration, during migration compared to when resident at the non-breeding grounds. Additionally, several nocturnal species spent more of the day in flight during migration than at non-breeding areas, and vice versa for diurnal species. Nocturnal time in flight tended to increase during full moon, both during migration and at the non-breeding grounds, depending on species. Our study provides an extensive overview of activity patterns of migrant seabirds, paving the way for further research on the underlying mechanisms and drivers.

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hal-03445746 , version 1 (10-10-2025)

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Anne-Sophie Bonnet-Lebrun, Maria Dias, Richard Phillips, José Granadeiro, M. de L. Brooke, et al.. Seabird Migration Strategies: Flight Budgets, Diel Activity Patterns, and Lunar Influence. Frontiers in Marine Science, 2021, 8 (683071), ⟨10.3389/fmars.2021.683071⟩. ⟨hal-03445746⟩
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