About the Authors

Ruth J. Sharples

rjsharples@gmail.com

Affiliations Sea Mammal Research Unit, Scottish Oceans Institute, University of St Andrews, St Andrews, Scotland, United Kingdom, The Institute for Marine and Antarctic Studies, University of Tasmania, Hobart, Australia

Simon E. Moss

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

Toby A. Patterson

Affiliation CSIRO Wealth from Oceans Research Flagship, Hobart, Australia

Philip S. Hammond

Affiliation Sea Mammal Research Unit, Scottish Oceans Institute, 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: RJS SEM PSH. Performed the experiments: RJS SEM PSH. Analyzed the data: RJS TAP. Wrote the paper: RJS TAP PSH.