About the Authors

Sarah E. Johns

s.e.johns@kent.ac.uk

Affiliation School of Anthropology and Conservation, University of Kent, Canterbury, Kent, United Kingdom

Lucy A. Hargrave

Affiliation School of Anthropology and Conservation, University of Kent, Canterbury, Kent, United Kingdom

Nicholas E. Newton-Fisher

Affiliation School of Anthropology and Conservation, University of Kent, Canterbury, Kent, United Kingdom

Competing Interests

The authors have declared that no competing interests exist.

Author Contributions

Conceived and designed the experiments: SEJ LAH. Performed the experiments: LAH. Analyzed the data: SEJ LAH. Contributed reagents/materials/analysis tools: LAH. Wrote the paper: SEJ NENF. Supervised data collection: SEJ. Contributed to overall study design: NENF.