About the Authors

Brett A. Goodman

Affiliations Ecology and Evolutionary Biology, University of Colorado, Boulder, Colorado, United States of America, School of Earth and Environmental Sciences, University of Adelaide, Adelaide, South Australia, Australia

Pieter T. J. Johnson

pieter.johnson@colorado.edu

Affiliation Ecology and Evolutionary Biology, University of Colorado, Boulder, Colorado, United States of America

Competing Interests

The authors have declared that no competing interests exist.

Author Contributions

Conceived and designed the experiments: BG PJ. Performed the experiments: BG. Analyzed the data: PJ. Contributed reagents/materials/analysis tools: PJ. Wrote the paper: PJ BG.