Western yellow-bellied racer

The western yellow-bellied racer (Coluber constrictor mormon), also known as the western yellowbelly racer or western racer, is a snake subspecies endemic to the Western United States, including California, Oregon, Idaho, 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.