About the Authors

Katherine A. Leighty

katherine.leighty@disney.com

Affiliation Disney’s Animals, Science and Environment, Walt Disney World, Lake Buena Vista, FL 32830, United States of America

Annie J. Valuska

Affiliation Disney’s Animals, Science and Environment, Walt Disney World, Lake Buena Vista, FL 32830, United States of America

Alison P. Grand

Affiliation Lemur Conservation Foundation, Myakka City, FL 34251, United States of America

Tamara L. Bettinger

Affiliation Disney’s Animals, Science and Environment, Walt Disney World, Lake Buena Vista, FL 32830, United States of America

Jill D. Mellen

Affiliation Disney’s Animals, Science and Environment, Walt Disney World, Lake Buena Vista, FL 32830, United States of America

Stephen R. Ross

Affiliation Lester E. Fisher Center for the Study and Conservation of Apes, Lincoln Park Zoo, Chicago, IL 60614, United States of America

Paul Boyle

Affiliation Association of Zoos and Aquariums, Silver Spring, MD 20910, United States of America

Jacqueline J. Ogden

Affiliation Disney’s Animals, Science and Environment, Walt Disney World, Lake Buena Vista, FL 32830, United States of America

Competing Interests

The authors have the following interests: co-authors Katherine A. Leighty, Annie J. Valuska, Tamara L. Bettinger, Jill D. Mellen and Jacqueline J. Ogden are employed by Walt Disney World. Co-author Paul Boyle is employed by the Association of Zoos and Aquariums. 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.

Author Contributions

Conceived and designed the experiments: KAL SRR TLB JDM JJO PB. Performed the experiments: SRR. Analyzed the data: AJV KAL SRR APG. Wrote the paper: KAL AJV APG TLB JDM SRR PB JJO.