About the Authors

Christian Schloegl

chris_schloegl@web.de

Affiliations Konrad Lorenz Forschungsstelle für Ethologie, Grünau im Almtal, and Department of Behavioural Biology, University of Vienna, Vienna, Austria, Department of Neurobiology and Cognition Research, University of Vienna, Vienna, Austria

Anneke Dierks

Affiliations Konrad Lorenz Forschungsstelle für Ethologie, Grünau im Almtal, and Department of Behavioural Biology, University of Vienna, Vienna, Austria, Zoologisches Institut und Museum, Ernst-Moritz-Arndt Universität Greifswald, Greifswald, Germany

Gyula K. Gajdon

Affiliations Department of Neurobiology and Cognition Research, University of Vienna, Vienna, Austria, Konrad Lorenz Institute for Ethology, Austrian Academy of Science, Vienna, Austria

Ludwig Huber

Affiliation Department of Neurobiology and Cognition Research, University of Vienna, Vienna, Austria

Kurt Kotrschal

Affiliation Konrad Lorenz Forschungsstelle für Ethologie, Grünau im Almtal, and Department of Behavioural Biology, University of Vienna, Vienna, Austria

Thomas Bugnyar

Affiliations Konrad Lorenz Forschungsstelle für Ethologie, Grünau im Almtal, and Department of Behavioural Biology, University of Vienna, Vienna, Austria, Department of Neurobiology and Cognition Research, University of Vienna, Vienna, Austria

Competing Interests

The authors have declared that no competing interests exist.

Author Contributions

Conceived and designed the experiments: CS TB. Performed the experiments: CS AD. Analyzed the data: CS. Contributed reagents/materials/analysis tools: GKG LH. Wrote the paper: CS GKG LH KK TB.