About the Authors

Christian Kampichler

christian.kampichler@web.de

Affiliations Vogeltrekstation - Dutch Centre for Avian Migration and Demography, NIOO-KNAW, Wageningen, the Netherlands, División de Ciencias Biológicas, Universidad Juárez Autónoma de Tabasco, Villahermosa, Tabasco, Mexico

Chris A. M. van Turnhout

Affiliations SOVON Dutch Centre for Field Ornithology, Nijmegen, the Netherlands, Department of Environmental Science and Department of Animal Ecology, Institute for Water and Wetland Research, Radboud University Nijmegen, Nijmegen, the Netherlands

Vincent Devictor

Affiliation Institut des Sciences de l'Evolution, UMR CNRS-UM2 5554, Université Montpellier 2, Montpellier, France

Henk P. van der Jeugd

Affiliation Vogeltrekstation - Dutch Centre for Avian Migration and Demography, NIOO-KNAW, Wageningen, the Netherlands

Competing Interests

The authors have declared that no competing interests exist.

Author Contributions

Analyzed the data: CK VD. Wrote the paper: CK HPJ CAMT VD. Conceived and designed the study: CK HPJ CAMT VD.