About the Authors

Joseph Soltis

Contributed equally to this work with: Joseph Soltis, Lucy E. King

joseph.soltis@disney.com

Affiliation Education and Science Department, Disney’s Animal Kingdom, Lake Buena Vista, Florida, United States of America

Lucy E. King

Contributed equally to this work with: Joseph Soltis, Lucy E. King

Affiliations Save the Elephants, Nairobi, Kenya, Department of Zoology, University of Oxford, Oxford, United Kingdom

Iain Douglas-Hamilton

Affiliations Save the Elephants, Nairobi, Kenya, Department of Zoology, University of Oxford, Oxford, United Kingdom

Fritz Vollrath

Affiliations Save the Elephants, Nairobi, Kenya, Department of Zoology, University of Oxford, Oxford, United Kingdom

Anne Savage

Affiliation Conservation Department, Disney’s Animal Kingdom, Lake Buena Vista, Florida, United States of America

Competing Interests

The Disney’s Worlwide Conservation Fund, and the Disney’s Animal Kingdom Cast Conservation Program supported the project. Joseph Soltis and Anne Savage are employed by Disney’s Animal Kingdom. There are no patents, products in development or marketed products to declare. This does not alter the authors’ adherence to all the PLOS ONE policies on sharing data and materials, as detailed online in the guide for authors.

Author Contributions

Conceived and designed the experiments: JS LEK IDH FV AS. Performed the experiments: JS LEK. Analyzed the data: JS LEK. Wrote the paper: JS LEK IDH FV AS.