About the Authors
- Joseph I. Hoffman
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* E-mail: joseph.hoffman@uni-bielefeld.de
Affiliation Department of Animal Behaviour, University of Bielefeld, Bielefeld, North Rhine-Westphalia, Germany
- Hazel J. Nichols
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Affiliation Department of Zoology, University of Cambridge, Cambridge, Cambridgeshire, United Kingdom
Competing Interests
The authors have declared that no competing interests exist.
Author Contributions
Conceived and designed the experiments: JIH. Performed the experiments: JIH HJN. Analyzed the data: JIH. Contributed reagents/materials/analysis tools: JIH HJN. Wrote the paper: JIH HJN.