About the Authors

Rachel L. Kendal

Current address: Department of Anthropology, University of Durham, Durham, United Kingdom

Affiliation Centre for Social Learning and Cognitive Evolution, School of Psychology, University of St Andrews, St Andrews, Fife, United Kingdom

Jeremy R. Kendal

Current address: Department of Anthropology, University of Durham, Durham, United Kingdom

Affiliation Centre for Social Learning and Cognitive Evolution, School of Biology, University of St Andrews, St Andrews, Fife, United Kingdom

Will Hoppitt

Affiliation Centre for Social Learning and Cognitive Evolution, School of Biology, University of St Andrews, St Andrews, Fife, United Kingdom

Kevin N. Laland

knl1@st-andrews.ac.uk

Affiliation Centre for Social Learning and Cognitive Evolution, School of Biology, University of St Andrews, St Andrews, Fife, United Kingdom

Competing Interests

The authors have declared that no competing interests exist.

Author Contributions

Conceived and designed the experiments: RLK JRK KNL. Performed the experiments: RLK. Analyzed the data: RLK JRK WH. Wrote the paper: RLK JRK WH KNL.