Found in the western United States and northern Mexico. Range extends north to Washington, south to Sinaloa, east to Utah, and west to the Pacific Ocean.
Terrestrial. Arid regions such as deserts, meadows, grasslands, and suburban lots. Typically found in areas with abundant foliage.
Mildly venomous, not considered dangerous to humans. Adult length between 8 and 26 inches, however rare to see any over 16 inches long. Small and slender with narrow, flat head. 21 rows of smooth scales, vertical pupils. Color varies based on habitat & substrate, occurs in shades of light brown, beige, tan, cream, or light grey. Dark brown or grey blotches on dorsum and sides. Typically have a pair of large dark marks on neck. Light colored, white or yellow, undersides.
Learn more with Schechter Natural History's Guide to Reptiles and Amphibians