About the Authors

Maud Poisbleau

maud.poisbleau@ua.ac.be

Affiliations Department of Biology - Ethology, University of Antwerp, Wilrijk, Belgium, Max Planck Institute for Ornithology, Vogelwarte Radolfzell, Radolfzell, Germany

Nina Dehnhard

Affiliation Max Planck Institute for Ornithology, Vogelwarte Radolfzell, Radolfzell, Germany

Laurent Demongin

Affiliation Department of Biology - Ethology, University of Antwerp, Wilrijk, Belgium

Charline Parenteau

Affiliation Centre d’Etudes Biologiques de Chizé, Centre National de la Recherche Scientifique, Villiers en Bois, France

Petra Quillfeldt

Affiliations Max Planck Institute for Ornithology, Vogelwarte Radolfzell, Radolfzell, Germany, Behavioural Ecology & Ecophysiology group, Justus Liebig University, Giessen, Germany

Marcel Eens

Affiliation Department of Biology - Ethology, University of Antwerp, Wilrijk, Belgium

Competing Interests

The authors have declared that no competing interests exist.

Author Contributions

Conceived and designed the experiments: MP LD. Performed the experiments: MP ND LD. Analyzed the data: MP ND LD. Contributed reagents/materials/analysis tools: CP PQ ME. Wrote the paper: MP ND LD ME.