The ventral surface is white with blue-gray spots posteriorly. The underside of the tail is pink. In North America, Masticophis schotti is found in a broad band from Washington to Texas and into northern Mexico. In Texas, it is found in the southwestern third of the state. Masticophis schotti ruthveni in yellow Masticophis schotti schotti in blue Masticophis taeniatus girardi in green Masticophis taeniatus taeniatus in purple This project funded by the University of Texas College of Natural Sciences and the Texas Memorial Museum .
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