About the Authors

Hugo Cousillas

hugo.cousillas@univ-rennes1.fr

Affiliation Université de Rennes 1, Ethos, UMR 6552 CNRS – Ethologie animale et humaine, Rennes, France

Isabelle George

Affiliation Université de Rennes 1, Ethos, UMR 6552 CNRS – Ethologie animale et humaine, Rennes, France

Laurence Henry

Affiliation Université de Rennes 1, Ethos, UMR 6552 CNRS – Ethologie animale et humaine, Rennes, France

Jean-Pierre Richard

Affiliation Université de Rennes 1, Ethos, UMR 6552 CNRS – Ethologie animale et humaine, Rennes, France

Martine Hausberger

Affiliation Université de Rennes 1, Ethos, UMR 6552 CNRS – Ethologie animale et humaine, Rennes, France

Competing Interests

The authors have declared that no competing interests exist.

Author Contributions

Conceived and designed the experiments: HC MH LH IG JR. Performed the experiments: HC JR. Analyzed the data: HC MH LH IG JR. Contributed reagents/materials/analysis tools: HC JR. Wrote the paper: HC MH IG.