About the Authors
- Jan Hušek
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* E-mail: jan.husek@bio.uio.no
Affiliation Centre of Ecological and Evolutionary Synthesis (CEES), Department of Biology, University of Oslo, Oslo, Norway
- Karel Weidinger
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Affiliation Department of Zoology and Laboratory of Ornithology, Palacký University, Olomouc, Czech Republic
- Peter Adamík
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Affiliations Department of Zoology and Laboratory of Ornithology, Palacký University, Olomouc, Czech Republic, Museum of Natural History, Olomouc, Czech Republic
- Tore Slagsvold
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Affiliation Centre of Ecological and Evolutionary Synthesis (CEES), Department of Biology, University of Oslo, Oslo, Norway
Competing Interests
The authors have declared that no competing interests exist.
Author Contributions
Conceived and designed the experiments: JH KW PA. Analyzed the data: JH. Contributed reagents/materials/analysis tools: JH KW PA TS. Wrote the paper: JH. Provided editorial advice: KW PA TS.