About the Authors
- Joshua A. Drew
- Department of Ecology, Evolution and Environmental Biology, Columbia University, New York, New York, United States of America
- Paul H. Barber
- Department of Ecology and Evolutionary Biology, University of California Los Angeles, Los Angeles, California, United States of America
The authors have declared that no competing interests exist.
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.