About the Authors
- Alfréd Trnka
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Affiliation Department of Biology, University of Trnava, Trnava, Slovakia
- Pavol Prokop
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Affiliations Department of Biology, University of Trnava, Trnava, Slovakia, Institute of Zoology, Slovak Academy of Sciences, Bratislava, Slovakia
- Tomáš Grim
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* E-mail: tomas.grim@upol.cz
Affiliation Department of Zoology and Laboratory of Ornithology, Palacký University, Olomouc, Czech Republic
Competing Interests
The authors have declared that no competing interests exist.
Author Contributions
Conceived and designed the experiments: AT PP. Performed the experiments: AT PP. Analyzed the data: TG. Contributed reagents/materials/analysis tools: AT TG. Wrote the paper: TG. Contributed to the final version of the manuscript: TG AT.