Masticophis flagellum

Masticophis flagellum is a species of nonvenomous colubrid snake, commonly referred to as the coachwhip or the whip snake, which is endemic to the United States and Mexico. Six subspecies are recognized, including the nominotypical subspecies. Taxonomy Etymology The subspecific name, ruddocki, is in honor of Dr. John C. Ruddock who was medical director for the Richfield Oil Corporation. Subspecies Six subspecies of Masticophis flagellum are recognized as being valid, including the nominotypical subspecies. Masticophis flagellum cingulum – Sonoran coachwhip Masticophis flagellum flagellum – eastern coachwhip