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. - Somers, Christopher M.; Graham, Carly F.; Martino, Jessica A.; Frasier, Timothy R.; Lance, Stacey L.; Gardiner, Laura E.; Poulin, Ray G. (PLoS ONE, 2017)