About the Authors

Joanna H. Wimpenny

Current address: Department of Animal and Plant Sciences, University of Sheffield, Sheffield, United Kingdom

Affiliation Department of Zoology, University of Oxford, Oxford, United Kingdom

Alex A. S. Weir

Affiliation Department of Zoology, University of Oxford, Oxford, United Kingdom

Lisa Clayton

Affiliation Department of Zoology, University of Oxford, Oxford, United Kingdom

Christian Rutz

Affiliation Department of Zoology, University of Oxford, Oxford, United Kingdom

Alex Kacelnik

alex.kacelnik@zoo.ox.ac.uk

Affiliation Department of Zoology, University of Oxford, Oxford, United Kingdom

Competing Interests

The authors have declared that no competing interests exist.

Author Contributions

Conceived and designed the experiments: JHW AASW LC CR AK. Performed the experiments: JHW LC. Analyzed the data: JHW AASW CR AK. Contributed reagents/materials/analysis tools: AASW CR AK. Wrote the paper: JHW AASW CR AK.