Habitat Chiefly a snake of high desert and lower mountain slopes.
Habitats vary from barren desert to grassland and bushland.
It seems to be common in areas of scattered scrubby growth such as creosote bush and mesquite. The light scales of the pattern usually unmarked and light-colored. Ground color is a greenish grey, olive-green, or occasionally brownish or yellowish. A white to yellowish stripe from behind the eye to behind the corner of the mouth. Tail with contrasting light and dark rings.