About the Authors

Erin Ashe

ea84@st-andrews.ac.uk

Affiliations Sea Mammal Research Unit, University of St. Andrews, St. Andrews, Fife, Scotland, United Kingdom, Oceans Initiative, Pearse Island, BC Canada

Janie Wray

Affiliation North Coast Cetacean Society, Hartley Bay, BC Canada

Christopher R. Picard

Affiliation Gitga'at Lands and Marine Resources Department, Hartley Bay, BC, Canada

Rob Williams

Affiliations Sea Mammal Research Unit, University of St. Andrews, St. Andrews, Fife, Scotland, United Kingdom, Oceans Initiative, Pearse Island, BC Canada

Competing Interests

The funding from King Pacific Lodge does not alter the authors' adherence to all the PLOS ONE policies on sharing data and materials.

Author Contributions

Conceived and designed the experiments: EA JW CP RW. Performed the experiments: EA JW CP RW. Analyzed the data: EA. Contributed reagents/materials/analysis tools: EA JW CP RW. Wrote the paper: EA JW CP RW.