About the Authors

Daniel M. T. Fessler

dfessler@anthro.ucla.edu

Affiliation Department of Anthropology and Center for Behavior, Evolution, and Culture, University of California Los Angeles, Los Angeles, California, United States of America

Colin Holbrook

Affiliation Department of Anthropology and Center for Behavior, Evolution, and Culture, University of California Los Angeles, Los Angeles, California, United States of America

Jeffrey K. Snyder

Affiliation Department of Anthropology and Center for Behavior, Evolution, and Culture, University of California Los Angeles, Los Angeles, California, United States of America

Competing Interests

The authors have declared that no competing interests exist.

Author Contributions

Conceived and designed the experiments: DF CH JKS. Performed the experiments: CH JKS. Analyzed the data: CH. Wrote the paper: DF.