http://orcid.org/0000-0001-6207-1427
About the Authors
- Walter D. Koenig
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* E-mail: wdk4@cornell.edu
Affiliations Lab of Ornithology, Cornell University, Ithaca, New York, United States of America, Hastings Reservation, University of California, Berkeley, California, United States of America
Competing Interests
The authors have declared that no competing interests exist.