About the Authors
- Mikkel Willemoes
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* E-mail: mwkristensen@snm.ku.dk
Affiliation Center for Macroecology, Evolution and Climate, Natural History Museum of Denmark, University of Copenhagen, Copenhagen, Denmark
- Roine Strandberg
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Affiliation Department of Biology, Lund University, Lund, Sweden
- Raymond H. G. Klaassen
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Affiliations Department of Biology, Lund University, Lund, Sweden, Dutch Montagu's Harrier foundation and Animal Ecology Group, Centre for Ecological and Evolutionary Studies, Groningen University, Groningen, the Netherlands
- Anders P. Tøttrup
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Affiliation Center for Macroecology, Evolution and Climate, Natural History Museum of Denmark, University of Copenhagen, Copenhagen, Denmark
- Yannis Vardanis
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Affiliation Department of Biology, Lund University, Lund, Sweden
- Paul W. Howey
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Affiliation Microwave Telemetry Inc, Columbia Maryland, United States of America
- Kasper Thorup
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Affiliation Center for Macroecology, Evolution and Climate, Natural History Museum of Denmark, University of Copenhagen, Copenhagen, Denmark
- Martin Wikelski
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Affiliations Max Planck Institute for Ornithology, Department of Migration & Immuno-ecology, Radolfzell am Bodensee, Germany, Department of Biology, University of Konstanz, Konstanz, Germany
- Thomas Alerstam
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Affiliation Department of Biology, Lund University, Lund, Sweden
Competing Interests
The authors have the following interests. Paul Howey is the director of Microwave Telemetry, the company that makes the satellite tags used for tracking the birds. There are no patents, products in development or marketed products to declare. This does not alter the authors' adherence to all the PLOS ONE policies on sharing data and materials, as detailed online in the guide for authors.
Author Contributions
Conceived and designed the experiments: MiW RS RHGK APT KT MaW TA. Performed the experiments: MiW RS RHGK APT KT TA. Analyzed the data: MiW RS RHGK APT YV KT TA. Contributed reagents/materials/analysis tools: PWH MaW TA. Wrote the paper: MiW RS RHGK APT YV PWH KT MaW TA.