About the Authors

Robert Trivers


Affiliation Department of Ecology, Evolution and Natural Resources, Rutgers University, New Brunswick, United States of America

Brian G. Palestis

Affiliation Department of Biological Sciences, Wagner College, Staten Island, New York, United States of America

John T. Manning

Affiliation Applied Sports Technology Exercise and Medicine Research Centre, Swansea University, Swansea, United Kingdom

Competing Interests

The authors have declared that no competing interests exist.

Author Contributions

Conceived and designed the experiments: JM RT. Performed the experiments: RT. Analyzed the data: BP JM. Wrote the paper: JM RT BP.