About the Authors

Carol Sankey

carol.sankey@univ-rennes1.fr

Affiliation Ethologie Animale et Humaine, Université Rennes1/UMR-CNRS6552, Station Biologique, Paimpont, France

Séverine Henry

Affiliation Ethologie Animale et Humaine, Université Rennes1/UMR-CNRS6552, Station Biologique, Paimpont, France

Aleksandra Górecka-Bruzda

Affiliation Polish Academy of Sciences, Institute of Genetics and Animal Breeding, Jastrzębiec, Wólka-Kosowska, Poland

Marie-Annick Richard-Yris

Affiliation Ethologie Animale et Humaine, Université Rennes1/UMR-CNRS6552, Station Biologique, Paimpont, France

Martine Hausberger

Affiliation Ethologie Animale et Humaine, Université Rennes1/UMR-CNRS6552, Station Biologique, Paimpont, France

Competing Interests

The authors have declared that no competing interests exist.

Author Contributions

Conceived and designed the experiments: CS MH MARH SH. Performed the experiments: CS. Analyzed the data: CS. Contributed reagents/materials/analysis tools: CS AGB. Wrote the paper: CS.