About the Authors
Department of Zoology, University of Neuchâtel, Neuchâtel, Switzerland
University of Cambridge, Department of Zoology, Cambridge, United Kingdom
Max-Planck-Institut für Verhaltensphysiologie Seewiesen, Starnberg, Germany
Leibniz-Institut für Meereswissenschaften (GEOMAR), Universität Kiel, Kiel, Germany
The authors have declared that no competing interests exist.
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.