About the Authors

Steffen Pielström

steffen.pielstroem@gmx.com

Affiliation Behavioral Physiology and Sociobiology, Biocenter, University of Würzburg, Würzburg, Germany

Flavio Roces

Affiliation Behavioral Physiology and Sociobiology, Biocenter, University of Würzburg, Würzburg, Germany

Competing Interests

The authors have declared that no competing interests exist.

Author Contributions

Conceived and designed the experiments: SP FR. Performed the experiments: SP. Analyzed the data: SP. Wrote the paper: SP FR.