About the Authors

Wayne M. Getz

To whom correspondence should be addressed. E-mail: getz@nature.berkeley.edu

Affiliations Department of Environmental Science, Policy and Management, University of California, Berkeley, California, United States of America, Mammal Research Institute, Department of Zoology and Entomology, University of Pretoria, Pretoria, South Africa

Scott Fortmann-Roe

Affiliation Department of Environmental Science, Policy and Management, University of California, Berkeley, California, United States of America

Paul C. Cross

Contributed equally to this work with: Paul C. Cross, Andrew J. Lyons, Sadie J. Ryan

Affiliations Northern Rocky Mountain Science Center, U.S. Geological Survey, Montana State University, Bozeman, Montana, United States of America, Department of Ecology, Montana State University, Bozeman, Montana, United States of America

Andrew J. Lyons

Contributed equally to this work with: Paul C. Cross, Andrew J. Lyons, Sadie J. Ryan

Affiliation Department of Environmental Science, Policy and Management, University of California, Berkeley, California, United States of America

Sadie J. Ryan

Contributed equally to this work with: Paul C. Cross, Andrew J. Lyons, Sadie J. Ryan

Current address: Department of Anthropological Sciences, Stanford University, Stanford, California, United States of America

Affiliation Department of Environmental Science, Policy and Management, University of California, Berkeley, California, United States of America

Christopher C. Wilmers

Affiliation Environmental Studies Department, University of California, Santa Cruz, California, United States of America

Competing Interests

The authors have declared that no competing interests exist.

Author Contributions

Conceived and designed the experiments: WG SF. Performed the experiments: SF AL. Analyzed the data: WG SF AL SR. Contributed reagents/materials/analysis tools: PC. Wrote the paper: WG PC SF SR CW.