About the Authors

Isabella B. R. Scheiber

isabella.scheiber@klf.ac.at

Affiliations Konrad Lorenz Forschungsstelle für Ethologie, Grünau, Austria, Department of Behavioural Biology, The University of Vienna, Vienna, Austria

Aileen Hohnstein

Affiliations Konrad Lorenz Forschungsstelle für Ethologie, Grünau, Austria, Institute of Biology, Humboldt University of Berlin, Berlin, Germany

Kurt Kotrschal

Affiliations Konrad Lorenz Forschungsstelle für Ethologie, Grünau, Austria, Department of Behavioural Biology, The University of Vienna, Vienna, Austria

Brigitte M. Weiß

Affiliations Konrad Lorenz Forschungsstelle für Ethologie, Grünau, Austria, Institute of Biology, The University of Neuchâtel, Neuchâtel, Switzerland

Competing Interests

The authors have declared that no competing interests exist.

Author Contributions

Conceived and designed the experiments: IBRS BMW. Performed the experiments: AH. Analyzed the data: AH IBRS. Wrote the paper: IBRS AH KK BMW.