About the Authors
- Lynne A. Isbell
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* E-mail: laisbell@ucdavis.edu
Affiliation Department of Anthropology and Animal Behavior Graduate Group, University of California Davis, Davis, California, United States of America
- Truman P. Young
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Affiliation Department of Plant Sciences and Graduate Group in Ecology, University of California Davis, Davis, California, United States of America
- Alexander H. Harcourt
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Affiliation Department of Anthropology and Graduate Group in Ecology, University of California Davis, Davis, California, United States of America
Competing Interests
The authors have declared that no competing interests exist.
Author Contributions
Analyzed the data: LAI. Wrote the paper: LAI TPY AHH.