About the Authors
- Robert S. Walker
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* E-mail: walkerro@missouri.edu)
Affiliation Department of Anthropology, University of Missouri, Columbia, Missouri, United States of America
- Dylan C. Kesler
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Affiliation The Institute for Bird Populations, Point Reyes Station, California, United States of America
- Kim R. Hill
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Affiliation School of Human Evolution and Social Change, and Institute of Human Origins, Arizona State University, Tempe, Arizona, United States of America
Competing Interests
The authors have declared that no competing interests exist.
Author Contributions
Conceived and designed the experiments: RSW DCK. Performed the experiments: RSW DCK. Analyzed the data: RSW DCK. Contributed reagents/materials/analysis tools: RSW DCK. Wrote the paper: RSW DCK KRH.