Conservation genetics of the eastern yellow-bellied racer (Coluber constrictor flaviventris) and bullsnake (Pituophis catenifer sayi): River valleys are critical features for snakes at northern range limits

• Christopher M. Somers ,

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

  * E-mail: chris.somers@uregina.ca

  Affiliation University of Regina, Department of Biology, Regina, Saskatchewan, Canada

  http://orcid.org/0000-0003-2232-6856

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• Carly F. Graham,

  Roles Data curation, Formal analysis, Writing – original draft, Writing – review & editing

  Affiliation University of Regina, Department of Biology, Regina, Saskatchewan, Canada

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• Jessica A. Martino,

  Roles Data curation, Formal analysis, Investigation, Methodology, Project administration, Validation, Writing – review & editing

  Affiliation University of Regina, Department of Biology, Regina, Saskatchewan, Canada

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• Timothy R. Frasier,

  Roles Formal analysis, Methodology, Validation, Visualization, Writing – review & editing

  Affiliation Saint Mary’s University, Department of Biology, Halifax, Nova Scotia, Canada

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• Stacey L. Lance,

  Roles Data curation, Formal analysis, Methodology, Validation, Writing – review & editing

  Affiliation University of Georgia, Savannah River Ecology Laboratory, Aiken, South Carolina, United States of America

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• Laura E. Gardiner,

  Roles Data curation, Methodology, Writing – review & editing

  Affiliation University of Regina, Department of Biology, Regina, Saskatchewan, Canada

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• Ray G. Poulin

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

  Affiliation Royal Saskatchewan Museum, Regina, Saskatchewan, Canada

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