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

Affiliation
MARE – Marine and Environmental Sciences Centre, ISPA - Instituto Universitário ,Lisbon ,Portugal
Bonnet-Lebrun, Anne-Sophie;
Affiliation
MARE – Marine and Environmental Sciences Centre, ISPA - Instituto Universitário ,Lisbon ,Portugal
Dias, Maria P.;
Affiliation
British Antarctic Survey, Natural Environment Research Council ,Cambridge ,United Kingdom
Phillips, Richard A.;
Affiliation
CESAM and Departamento de Biologia Animal, Faculdade de Ciências ,Universidade de Lisboa, Lisbon ,Portugal
Granadeiro, José P.;
Affiliation
Department of Zoology, University of Cambridge ,Cambridge ,United Kingdom
Brooke, M. de L.;
Affiliation
Centre d’Etudes Biologiques de Chizé (CEBC), UMR 7372 CNRS - Université de la Rochelle ,Villiers-en-Bois ,France
Chastel, Olivier;
Affiliation
School of Environmental Sciences, University of Liverpool ,Liverpool ,United Kingdom
Clay, Thomas A.;
Affiliation
Department of Zoology, University of Oxford ,Oxford ,United Kingdom
Fayet, Annette L.;
Affiliation
UMR 6249 Chrono-environnement, Université de Bourgogne Franche-Comté ,Besançon ,France
Gilg, Olivier;
Affiliation
Institut de Recerca de la Biodiversitat (IRBio) and Departament de Biologia Evolutiva, Ecologia i Ciències Ambientals, Universitat de Barcelona ,Barcelona ,Spain
González-Solís, Jacob;
Affiliation
Department of Zoology, University of Oxford ,Oxford ,United Kingdom
Guilford, Tim;
Affiliation
Norwegian Institute for Nature Research (NINA), FRAM – High North Research Centre for Climate and the Environment ,Tromsø ,Norway
Hanssen, Sveinn A.;
Affiliation
Wildlife Research Division, Environment and Climate Change Canada ,Mount Pearl, NL ,Canada
Hedd, April;
Affiliation
UMR ENTROPIE, Université de La Réunion, IRD, CNRS, IFREMER, Université de Nouvelle-Calédonie, Université de La Réunion ,La Réunion ,France
Jaeger, Audrey;
GND
1297470222
Affiliation
Institute of Ecology and Evolution, Friedrich Schiller University ,Jena ,Germany
Krietsch, Johannes;
Affiliation
Groupe de Recherche en Ecologie Arctique ,Francheville ,France
Lang, Johannes;
Affiliation
UMR ENTROPIE, Université de La Réunion, IRD, CNRS, IFREMER, Université de Nouvelle-Calédonie, Université de La Réunion ,La Réunion ,France
Le Corre, Matthieu;
Affiliation
Institut de Recerca de la Biodiversitat (IRBio) and Departament de Biologia Evolutiva, Ecologia i Ciències Ambientals, Universitat de Barcelona ,Barcelona ,Spain
Militão, Teresa;
Affiliation
Norwegian Institute for Nature Research (NINA) ,Trondheim ,Norway
Moe, Børge;
Affiliation
Psychology Department, Memorial University ,St. John’s, NL ,Canada
Montevecchi, William A.;
Affiliation
Institute of Ecology and Evolution, Friedrich Schiller University ,Jena ,Germany
Peter, Hans-Ulrich;
Affiliation
UMR ENTROPIE, Université de La Réunion, IRD, CNRS, IFREMER, Université de Nouvelle-Calédonie, Université de La Réunion ,La Réunion ,France
Pinet, Patrick;
Affiliation
Auckland Museum ,Auckland ,New Zealand
Rayner, Matt J.;
Affiliation
CSIRO Oceans and Atmosphere ,Hobart, TAS ,Australia
Reid, Tim;
Affiliation
Institut de Recerca de la Biodiversitat (IRBio) and Departament de Biologia Evolutiva, Ecologia i Ciències Ambientals, Universitat de Barcelona ,Barcelona ,Spain
Reyes-González, José Manuel;
Affiliation
FitzPatrick Institute of African Ornithology, University of Cape Town ,Rondebosch ,South Africa
Ryan, Peter G.;
Affiliation
National Institute of Water and Atmospheric Research Ltd. ,Christchurch ,New Zealand
Sagar, Paul M.;
Affiliation
Department of Bioscience, Aarhus University ,Roskilde ,Denmark
Schmidt, Niels M.;
Affiliation
National Institute of Water and Atmospheric Research Ltd. ,Wellington ,New Zealand
Thompson, David R.;
Affiliation
Wageningen Marine Research, Wageningen University and Research ,IJmuiden ,Netherlands
van Bemmelen, Rob;
Affiliation
Graduate School of Fisheries Sciences, Hokkaido University ,Hakodate ,Japan
Watanuki, Yutaka;
Affiliation
Centre d’Etudes Biologiques de Chizé (CEBC), UMR 7372 CNRS - Université de la Rochelle ,Villiers-en-Bois ,France
Weimerskirch, Henri;
Affiliation
Organization for the Strategic Coordination of Research and Intellectual Properties, Meiji University ,Tokyo ,Japan
Yamamoto, Takashi;
Affiliation
MARE – Marine and Environmental Sciences Centre, ISPA - Instituto Universitário ,Lisbon ,Portugal
Catry, Paulo

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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License Holder: Copyright © 2021 Bonnet-Lebrun, Dias, Phillips, Granadeiro, Brooke, Chastel, Clay, Fayet, Gilg, González-Solís, Guilford, Hanssen, Hedd, Jaeger, Krietsch, Lang, Le Corre, Militão, Moe, Montevecchi, Peter, Pinet, Rayner, Reid, Reyes-González, Ryan, Sagar, Schmidt, Thompson, van Bemmelen, Watanuki, Weimerskirch, Yamamoto and Catry.

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