About the Authors

Christine Erbe

Christine.Erbe@curtin.edu.au

Affiliation Centre for Marine Science & Technology, Curtin University, Perth, Western Australia, Australia

Rob Williams

Affiliation Sea Mammal Research Unit, University of St Andrews, St Andrews, Scotland, United Kingdom

Doug Sandilands

Affiliation Provincetown Center for Coastal Studies, Provincetown, Massachusetts, United States of America

Erin Ashe

Affiliation Sea Mammal Research Unit, University of St Andrews, St Andrews, Scotland, United Kingdom

Competing Interests

The authors have declared that no competing interests exist.

Author Contributions

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