About the Authors

Michael C. Double

Mike.Double@aad.gov.au

Affiliation Australian Marine Mammal Centre, Australian Antarctic Division, Kingston, Tasmania, Australia

Virginia Andrews-Goff

Affiliation Australian Marine Mammal Centre, Australian Antarctic Division, Kingston, Tasmania, Australia

K. Curt S. Jenner

Affiliation Centre for Whale Research (Western Australia) Inc., Fremantle, Western Australia, Australia

Micheline-Nicole Jenner

Affiliation Centre for Whale Research (Western Australia) Inc., Fremantle, Western Australia, Australia

Sarah M. Laverick

Affiliation Australian Marine Mammal Centre, Australian Antarctic Division, Kingston, Tasmania, Australia

Trevor A. Branch

Affiliation School of Aquatic and Fishery Sciences, University of Washington, Seattle, Washington, United States of America

Nicholas J. Gales

Affiliation Australian Marine Mammal Centre, Australian Antarctic Division, Kingston, Tasmania, Australia

Competing Interests

The authors have declared that no competing interests exist.

Author Contributions

Conceived and designed the experiments: MCD KCSJ MNJ SML NJG. Performed the experiments: MCD KCSJ MNJ SML NJG. Analyzed the data: VAG. Wrote the paper: VAG MCD TAB.