Butler’s garter snake (Thamnophis butleri) is a species of garter snake in the family Colubridae. It is endemic to North America. ==Etymology== The specific name, butleri, is in honor of ornithologist `Mr. A[mos]. W[illiam]. Butler` (1860-1937) of Brookville, Indiana. ==Geographic range== It is found in northwestern Ohio, northeastern Indiana,.....