About the Authors

Robert W. Meredith

Affiliation Department of Biology, University of California Riverside, Riverside, California, United States of America

John Gatesy

Affiliation Department of Biology, University of California Riverside, Riverside, California, United States of America

William J. Murphy

Affiliation Department of Veterinary Integrative Biosciences, Texas A&M University, College Station, Texas, United States of America

Oliver A. Ryder

Affiliation San Diego Zoo's Institute for Conservation Research, Escondido, California, United States of America

Mark S. Springer

mark.springer@ucr.edu

Affiliation Department of Biology, University of California Riverside, Riverside, California, United States of America

Competing Interests

The authors have declared that no competing interests exist.

Author Contributions

Conceived and designed the experiments: RWM JG WJM OAR MSS. Performed the experiments: RWM. Analyzed the data: RWM JG MSS. Contributed reagents/materials/analysis tools: RWM JG WJM OAR MSS. Wrote the paper: MSS.