About the Authors
- Richard B. King
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* E-mail: rbking@niu.edu
¶‡ RBK is Senior Author on this work.
Affiliation Department of Biological Sciences, Northern Illinois University, DeKalb, Illinois, United States of America
- Kristin M. Stanford
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Contributed equally to this work with: Kristin M. Stanford, Peter C. Jones, Kent Bekker
Affiliations Department of Biological Sciences, Northern Illinois University, DeKalb, Illinois, United States of America, F. T. Stone Laboratory, The Ohio State University, Put-in-Bay, Ohio, United States of America
- Peter C. Jones
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Contributed equally to this work with: Kristin M. Stanford, Peter C. Jones, Kent Bekker
Affiliation Department of Biological Sciences, Northern Illinois University, DeKalb, Illinois, United States of America
- Kent Bekker
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Contributed equally to this work with: Kristin M. Stanford, Peter C. Jones, Kent Bekker
Affiliation Department of Herpetology, The Toledo Zoo, Toledo, Ohio, United States of America
Competing Interests
The authors received funding from two commercial sources, the Toledo Zoo and the Columbus Zoo. This does not alter their adherence to PLOS ONE policies on sharing data and materials.
Author Contributions
Conceived and designed the experiments: RBK KMS PCJ KB. Performed the experiments: RBK KMS PCJ KB. Analyzed the data: RBK KMS PCJ. Contributed reagents/materials/analysis tools: PCJ. Wrote the paper: RBK. Supervised data collection: RBK KMS KB. Collected data: RBK KMS PCJ KB. Revised manuscript: RBK KMS PCJ KB.