About the Authors

Jamie N. Womble

Jamie_Womble@nps.gov

Affiliations Department of Fisheries and Wildlife, Marine Mammal Institute, Oregon State University, Hatfield Marine Science Center, Newport, Oregon, United States of America, Glacier Bay Field Station, National Park Service, Juneau, Alaska, United States of America

Scott M. Gende

Affiliation Glacier Bay Field Station, National Park Service, Juneau, Alaska, United States of America

Competing Interests

The authors have declared that no competing interests exist.

Author Contributions

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