About the Authors
- Barbara Ballentine
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* E-mail: bballent@westga.edu
Affiliation Smithsonian Migratory Bird Center, National Zoological Park, University of West Georgia, Carrollton, Georgia, United States of America
- Russell Greenberg
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Affiliation Smithsonian Migratory Bird Center, National Zoological Park, Washington, D. C., United States of America
Competing Interests
The authors have declared that no competing interests exist.
Author Contributions
Conceived and designed the experiments: BB RG. Performed the experiments: BB. Analyzed the data: BB. Contributed reagents/materials/analysis tools: BB RG. Wrote the paper: BB RG.