About the Authors

Jeff Stetz

jeff.stetz@gmail.com

Affiliation Sinopah Wildlife Research Associates, Missoula, Montana, United States of America

Kathleen Hunt

Current address: New England Aquarium, Boston, Massachusetts, United States of America

Affiliation Department of Biology, University of Washington, Seattle, Washington, United States of America

Katherine C. Kendall

Affiliation Northern Rocky Mountain Science Center, US Geological Survey, West Glacier, Montana, United States of America

Samuel K. Wasser

Affiliation Department of Biology, University of Washington, Seattle, Washington, United States of America

Competing Interests

In accordance with PLOS ONE‚s policy on documenting conflicts of interest, the authors herewith declare that there are no competing interests with any authors. Specifically, the author affiliated with a private entity (JBS) has no vested interests in any of the methods or results included in this manuscript. As such, author affiliations do not alter the authors‚ adherence to all of the PLOS ONE policies on sharing data and materials.

Author Contributions

Conceived and designed the experiments: JS SW. Performed the experiments: JS KH SW. Analyzed the data: JS KH SW. Contributed reagents/materials/analysis tools: JS KH KK SW. Wrote the paper: JS KH KK SW.