About the Authors
Active Perception Lab, University Antwerp, Antwerp, Belgium
Department of Biology, University Antwerp, Antwerp, Belgium
Lehrstuhl für Zoologie, Technical University München, Freising-Weihenstephan, Germany
The authors have declared that no competing interests exist.
Conceived and designed the experiments: DV JR HP. Performed the experiments: DV. Analyzed the data: DV. Contributed reagents/materials/analysis tools: UF. Wrote the paper: DV JR HP UF.