About the Authors
- Isabelle-Anne Bisson
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* E-mail: ibisson@princeton.edu
Affiliation Department of Ecology and Evolutionary Biology, Princeton University, Princeton, New Jersey, United States of America
- Kamran Safi
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Affiliation Max Planck Institute for Ornithology, Vogelwarte Radolfzell, Radolfzell, Germany
- Richard A. Holland
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Affiliation Max Planck Institute for Ornithology, Vogelwarte Radolfzell, Radolfzell, Germany
Competing Interests
The authors have declared that no competing interests exist.
Author Contributions
Conceived and designed the experiments: IAB RAH. Performed the experiments: IAB RAH. Analyzed the data: IAB RAH KS. Contributed reagents/materials/analysis tools: IAB KS. Wrote the paper: IAB RAH KS.