About the Authors
- Sue Anne Zollinger
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* E-mail: saz@sueannezollinger.com
Affiliations Communication and Social Behaviour Group, Max Planck Institute for Ornithology, Seewiesen, Germany, School of Biology, University of St Andrews, St Andrews, Fife, United Kingdom
- Franz Goller
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Affiliation Department of Biology, University of Utah, Salt Lake City, Utah, United States of America
- Henrik Brumm
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Affiliation Communication and Social Behaviour Group, Max Planck Institute for Ornithology, Seewiesen, Germany
Competing Interests
The authors have declared that no competing interests exist.
Author Contributions
Conceived and designed the experiments: SAZ FG HB. Performed the experiments: SAZ. Analyzed the data: SAZ. Contributed reagents/materials/analysis tools: FG. Wrote the paper: SAZ.