About the Authors

Walter Lechner

walter.lechner@univie.ac.at

Affiliation Department of Behavioural Biology, University of Vienna, Vienna, Austria

Egon Heiss

Affiliation Department of Morphology, University of Vienna, Vienna, Austria

Thomas Schwaha

Affiliation Department of Morphology, University of Vienna, Vienna, Austria

Martin Glösmann

Affiliation VetImaging Unit, VetCore - Core Facility for Research, University of Veterinary Medicine Vienna, Vienna, Austria

Friedrich Ladich

Affiliation Department of Behavioural Biology, University of Vienna, Vienna, Austria

Competing Interests

The authors have declared that no competing interests exist.

Author Contributions

Conceived and designed the experiments: WL EH TS MG . Performed the experiments: WL EH TS MG. Analyzed the data: WL EH TS FL. Contributed reagents/materials/analysis tools: WL EH TS MG FL. Wrote the paper: WL FL.