About the Authors
- Kevin E. Doherty
- National Audubon Society Science, Wyoming Audubon, Laramie, Wyoming, United States of America
- David E. Naugle
- Wildlife Biology Program, University of Montana, Missoula, Montana, United States of America
- Jeffrey S. Evans
- North America Science, The Nature Conservancy, Fort Collins, Colorado, United States of America
The authors have declared that no competing interests exist.
Conceived and designed the experiments: KED DN. Performed the experiments: KED. Analyzed the data: KED JSE. Wrote the paper: KED DN.