About the Authors

Joshua A. Drew


Affiliation Department of Ecology, Evolution and Environmental Biology, Columbia University, New York, New York, United States of America

Paul H. Barber

Affiliation Department of Ecology and Evolutionary Biology, 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: JD PB. Performed the experiments: JD. Analyzed the data: JD. Contributed reagents/materials/analysis tools: PB. Wrote the paper: JD PB.