About the Authors

Grant Richard Woodrow Humphries


Affiliations Department of Neurobiology, Physiology and Behavior, University of California, Davis, Davis, California, Department of Zoology, Center for Sustainability, Agriculture, Food, Energy and Environment, University of Otago, Dunedin, New Zealand

Competing Interests

The authors have declared that no competing interests exist.

Author Contributions

Conceived and designed the experiments: GH. Performed the experiments: GH. Analyzed the data: GH. Contributed reagents/materials/analysis tools: GH. Wrote the paper: GH. Wrote and submitted grant for funding for national geographic/Waitt foundation: GH.