Acknowledgements
We thank all those individuals who have provided samples or assisted with collections across the range of S. catenatus over the past 25 years—this work would not be possible without their help. Many individuals helped, but we especially thank Jeff Davis, Michael Dreslik, Brian Fedorko, Tony Frazier, Kim Frolich, Dan Harvey, Matt Kowalski, Greg Lipps, Chris Parent, Chris Phillips, Paul Pratt, Kent Prior, Kevin Shoemaker, Michelle Villenueve, and Doug Wynn for their enthusiastic and generous assistance with finding snakes and/or providing samples. We thank Anna Brüniche-Olsen for introducing us to the idea of ROHs and encouraging us to think about analyzing them in our snakes, Scott Martin, Drew Schield and Todd Castoe for help with data and analyses and Anna Brüniche-Olsen, J. Andrew DeWoody, Gideon Bradburd, Robert Fitak, Katerina Guschanski, and Christine Grossen for discussions and comments on the manuscript. We also thank Kate Parsons and Carolyn Caldwell for their long‐time support of our conservation genetics work on endangered snakes. Computational analyses were performed on the Ohio Biodiversity Conservation Partnership Computing Cluster and using resources provided by the Ohio Supercomputer Center. This work was supported by the State Wildlife Grants Program, administered jointly by the U.S. Fish and Wildlife Service and the Ohio Division of Wildlife, with funds provided by the Ohio Biodiversity Conservation Partnership between The Ohio State University and the Ohio Division of Wildlife. HLG was also supported by National Science Foundation (USA) Grant DEB 1638872.
Data Availability Statement :
The data that support the findings of this study are openly available in [to be determined] at http://doi.org/[doi], reference number [to be determined].