About the Authors

Glenn Dunshea

glenn.dunshea@aad.gov.au

Affiliations Antarctic Wildlife Research Unit, School of Zoology, University of Tasmania, Hobart, Tasmania, Australia, Australian Marine Mammal Centre, Australian Antarctic Division, Kingston, Tasmania, Australia

Competing Interests

The author has declared that no competing interests exist.

Author Contributions

Conceived and designed the experiments: GJD. Performed the experiments: GJD. Analyzed the data: GJD. Wrote the paper: GJD.