About the Authors

Sara DeLeon

sd823@drexel.edu

Affiliations Department of Ecology and Evolutionary Biology, Cornell University, Ithaca, New York, United States of America, Department of Biodiversity, Earth, and Environmental Science; Drexel University, Philadelphia, Pennsylvania, United States of America

Rayko Halitschke

Affiliation Department of Ecology and Evolutionary Biology, Cornell University, Ithaca, New York, United States of America

Ralph S. Hames

Affiliation Laboratory of Ornithology, Cornell University, Ithaca, New York, United States of America

André Kessler

Affiliation Department of Ecology and Evolutionary Biology, Cornell University, Ithaca, New York, United States of America

Timothy J. DeVoogd

Affiliation Department of Psychology, Cornell University, Ithaca, New York, United States of America

André A. Dhondt

Affiliations Department of Ecology and Evolutionary Biology, Cornell University, Ithaca, New York, United States of America, Laboratory of Ornithology, Cornell University, Ithaca, New York, United States of America

Competing Interests

The authors have declared that no competing interests exist.

Author Contributions

Conceived and designed the experiments: SD TJD AAD. Performed the experiments: SD RH. Analyzed the data: SD RH RSH. Contributed reagents/materials/analysis tools: RH AK. Wrote the paper: SD RH RSH TJD AK AAD.