About the Authors

Oliver R. W. Pergams

pergams@uic.edu

Affiliations Department of Biological Sciences, University of Illinois at Chicago, Chicago, Illinois, United States of America, Division of Mammals, Department of Zoology, Field Museum, Chicago, Illinois, United States of America, Red Rock Institute, Bryn Mawr, Pennsylvania, United States of America

Joshua J. Lawler

Affiliation School of Forest Resources, University of Washington, Seattle, Washington, United States of America

Competing Interests

The authors have declared that no competing interests exist.

Author Contributions

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