Dorsal ground color light brown or gray with brown or dark gray spots. Elongated dark blotches on each side of neck and one on nape.
Ventral surface is white or pale yellow and unmarked.
In North America, the Texas Night Snake is found in southeast Colorado, parts of New Mexico and Oklahoma, most of Texas and down to central Mexico. In Texas, they are found in the western two-thirds of the state. This project funded by the University of Texas College of Natural Sciences and the Texas Memorial Museum . Comments welcome .