About the Authors

Sarah Papworth

sarah.papworth06@imperial.ac.uk

Affiliations Division of Ecology and Evolution, Imperial College, Silwood Park Campus, Berkshire, United Kingdom, Centre for Environmental Policy, Imperial College, South Kensington, United Kingdom

E. J. Milner-Gulland

Affiliation Division of Ecology and Evolution, Imperial College, Silwood Park Campus, Berkshire, United Kingdom

Katie Slocombe

Affiliation Department of Psychology, University of York, York, United Kingdom

Competing Interests

Katie Slocombe is currently a PLOS ONE Editorial Board Member. This does not alter the authors′ adherence to all the PLOS ONE policies on sharing data and materials.

Author Contributions

Conceived and designed the experiments: SP EJMG KS. Performed the experiments: SP. Analyzed the data: SP. Wrote the paper: SP EJMG KS.