About the Authors

Anne E. Wignall

anne.wignall@mq.edu.au

Affiliation Department of Biological Sciences, Macquarie University, North Ryde, New South Wales, Australia

Marie E. Herberstein

Affiliation Department of Biological Sciences, Macquarie University, North Ryde, New South Wales, Australia

Competing Interests

The authors have declared that no competing interests exist.

Author Contributions

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