Western yellow-bellied racer
The western yellow-bellied racer, also known as the western yellowbelly racer or western racer, is a snake species endemic to the Western United States, including California, Oregon, Nevada, New Mexico, Utah, Montana and Colorado. It is a subspecies of the eastern racer. It is nonvenomous and is recognized by its long and very slender shape. It is visually similar to the eastern yellow-bellied racer, which is also green, blue or brown with a recognizable yellow underside. Also named for its color, the western yellow-bellied racer is also gray with red or brown blotches when young.