About the Authors

Joanna Burger

Roles Conceptualization, Data curation, Formal analysis, Funding acquisition, Investigation, Methodology, Project administration, Resources, Supervision, Validation, Visualization, Writing – original draft, Writing – review & editing

burger@biology.rutgers.edu

Affiliation Division of Life Sciences, Rutgers University, Piscataway, New Jersey, United States of America

Robert T. Zappalorti

Roles Conceptualization, Funding acquisition, Investigation, Methodology, Project administration, Resources, Supervision, Validation, Visualization, Writing – review & editing

Affiliation Herpetological Associates, Inc. Pemberton, New Jersey, United States of America

Michael Gochfeld

Roles Conceptualization, Data curation, Formal analysis, Funding acquisition, Investigation, Methodology, Resources, Validation, Visualization, Writing – review & editing

Affiliation Division of Life Sciences, Rutgers University, Piscataway, New Jersey, United States of America

Competing Interests

University and commercial affiliations Tiko Fund, Herpetological Associates, Inc., and Rutgers University, do not alter our adherence to all PLOS ONE policies on sharing data and materials.