About the Authors

Redouan Bshary

To whom correspondence should be addressed. E-mail: redouan.bshary@unine.ch

Affiliation Department of Zoology, University of Neuchâtel, Neuchâtel, Switzerland

Andrea Hohner

Affiliations Department of Zoology, University of Neuchâtel, Neuchâtel, Switzerland , University of Cambridge, Department of Zoology, Cambridge, United Kingdom

Karim Ait-el-Djoudi

Affiliation Department of Zoology, University of Neuchâtel, Neuchâtel, Switzerland

Hans Fricke

Affiliations Max-Planck-Institut für Verhaltensphysiologie Seewiesen, Starnberg, Germany , Leibniz-Institut für Meereswissenschaften (GEOMAR), Universität Kiel, Kiel, Germany

Competing Interests

The authors have declared that no competing interests exist.

Author Contributions

RB and HF conceived and designed the experiments. RB, AH, KAeD and HF performed the experiments. RB and AH analyzed the data. RB and HF contributed reagents/materials/analysis tools. RB wrote the paper.