About the Authors
- Konrad Halupka
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* E-mail: konrad.halupka@uni.wroc.pl
Affiliation Department of Behavioural Ecology, University of Wroclaw, Wroclaw, Poland
Competing Interests
The author has declared that no competing interests exist.
Author Contributions
Conceived and designed the experiments: KH. Performed the experiments: KH. Analyzed the data: KH. Contributed reagents/materials/analysis tools: KH. Wrote the paper: KH.