About the Authors

Michael D. Sumner

mdsumner@utas.edu.au

Affiliation Michael D. Sumner School of Mathematics & Physics (IASOS), University of Tasmania, Hobart, Tasmania, Australia

Simon J. Wotherspoon

Affiliation Simon J. Wotherspoon School of Mathematics & Physics, University of Tasmania, Hobart, Tasmania, Australia

Mark A. Hindell

Affiliation Mark A. Hindell School of Zoology (Antarctic Wildlife Research Unit), University of Tasmania, Hobart, Tasmania, Australia

Competing Interests

The authors have declared that no competing interests exist.

Author Contributions

Conceived and designed the experiments: MH. Analyzed the data: MS SW. Wrote the paper: MS.