About the Authors
- Martin Nyffeler
- Section of Conservation Biology (NLU), Department of Environmental Sciences, University of Basel, Basel, Switzerland
- Mirjam Knörnschild
- Institute of Experimental Ecology, University of Ulm, Ulm, Germany
The authors have declared that no competing interests exist.
Conceived and designed the experiments: MN. Performed the experiments: MN. Analyzed the data: MN MK. Contributed reagents/materials/analysis tools: MN. Wrote the paper: MN MK.