About the Authors
- Kari A. Morfeld
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* E-mail: morfeldk@si.edu
Affiliation Smithsonian Conservation Biology Institute, National Zoological Park, Front Roya, Virginia, United States of America
- John Lehnhardt
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Affiliation The National Elephant Center, Fellsmere, Florida, United States of America
- Christina Alligood
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Affiliation Disney's Animal Kingdom, Bay Lake, Florida, United States of America
- Jeff Bolling
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Affiliation The National Elephant Center, Fellsmere, Florida, United States of America
- Janine L. Brown
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Affiliation Smithsonian Conservation Biology Institute, National Zoological Park, Front Roya, Virginia, United States of America
Competing Interests
C. Alligood is employed by Disney Animal Kingdom. This does not alter the authors' adherence to PLOS ONE polices on sharing data and materials.
Author Contributions
Conceived and designed the experiments: KAM JLB CA JB JL. Performed the experiments: KAM CA JB JL. Analyzed the data: KAM JLB. Contributed reagents/materials/analysis tools: KAM JLB. Wrote the paper: KAM JLB.