About the Authors

Christina A. S. Mumm

Christina.mumm@uni-ulm.de

Affiliation Institute of Experimental Ecology, University of Ulm, Ulm, Germany

Mirjam Knörnschild

Affiliations Institute of Experimental Ecology, Faculty of Natural Sciences, University of Ulm, Ulm, Germany, Smithsonian Tropical Research Institute, Balboa, Panama

Competing Interests

The authors have declared that no competing interests exist.

Author Contributions

Analyzed the data: CASM MK. Contributed to the writing of the manuscript: CASM MK. Recordings: CASM.