About the Authors
- Henrik Brumm
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* E-mail: brumm@orn.mpg.de
Affiliation Communication and Social Behaviour Group, Max Planck Institute for Ornithology, Seewiesen, Germany
- Heather Farrington
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Affiliation Department of Biological Sciences, University of Cincinnati, Cincinnati, Ohio, United States of America
- Kenneth Petren
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Affiliation Department of Biological Sciences, University of Cincinnati, Cincinnati, Ohio, United States of America
- Birgit Fessl
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Affiliations Charles Darwin Research Station, Puerto Ayora, Santa Cruz, Galápagos, Ecuador, Durrell Wildlife Conservation Trust, Jersey, Channel Islands, United Kingdom
Competing Interests
The authors have declared that no competing interests exist.
Author Contributions
Conceived and designed the experiments: HB BF. Performed the experiments: BF. Analyzed the data: HB BF. Contributed reagents/materials/analysis tools: HB HF KP. Wrote the paper: HB. Carried out the microsatellite analysis and interpreted the genetic data: HF KP.