About the Authors

Stefanie M. Zimmer

zimmer.steffi@googlemail.com

Affiliation Zoological Institute and Museum, Biozentrum Grindel, University of Hamburg, Hamburg, Germany

Klaas W. Welke

Affiliation Zoological Institute and Museum, Biozentrum Grindel, University of Hamburg, Hamburg, Germany

Jutta M. Schneider

Affiliation Zoological Institute and Museum, Biozentrum Grindel, University of Hamburg, Hamburg, Germany

Competing Interests

The authors have declared that no competing interests exist.

Author Contributions

Conceived and designed the experiments: JMS. Performed the experiments: SMZ KWW. Analyzed the data: SMZ. Wrote the paper: SMZ JMS.