About the Authors

Catherine E. Grueber

catherine.grueber@otago.ac.nz

Affiliations Allan Wilson Centre for Molecular Ecology and Evolution, Dunedin, New Zealand, Department of Zoology, University of Otago, Dunedin, New Zealand

Graham P. Wallis

Affiliation Department of Zoology, University of Otago, Dunedin, New Zealand

Ian G. Jamieson

Affiliations Allan Wilson Centre for Molecular Ecology and Evolution, Dunedin, New Zealand, Department of Zoology, University of Otago, Dunedin, New Zealand

Competing Interests

The authors have declared that no competing interests exist.

Author Contributions

Conceived and designed the experiments: CEG GPW IGJ. Analyzed the data: CEG. Wrote the paper: CEG GPW IGJ.