About the Authors

Vasco Elbrecht

Affiliation Department of Animal Ecology, Evolution and Biodiversity, Ruhr University Bochum, Universitaetsstrasse 150, D-44801 Bochum, Germany

Florian Leese

florian.leese@rub.de

Affiliation Department of Animal Ecology, Evolution and Biodiversity, Ruhr University Bochum, Universitaetsstrasse 150, D-44801 Bochum, Germany

Competing Interests

The authors have declared that no competing interests exist.

Author Contributions

Conceived and designed the experiments: VE FL. Performed the experiments: VE. Analyzed the data: VE. Contributed reagents/materials/analysis tools: FL VE. Wrote the paper: VE FL.