Ring-Necked Snake

Easily identified by the ring around its neck, this small snake is uncommon in Colorado, but can be locally abundant.

Ring-necked Snake, NPS

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About This Species

A strikingly beautiful, small snake. This snake uses its venom to subdue prey, but it is harmless to humans and mammals.

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Physical Characteristics

Upper scales smooth (unkeeled), gray to olive; usually an orange ring or partial collar around neck; belly orange with black spots; underside of tail red; total length rarely more than about 42 cm (16.5 inches).

Range

Southeastern Colorado south of the Arkansas River, at elevations below 6,000 feet. Generally scarce; common in highly localized areas.

Habitat

Plains grassland, especially where abundant surface cover is present, and, more often, canyon bottoms or riparian areas; infrequently seen in the open; usually under flat rocks or wood in canyon bottoms. Sometimes several individuals of various ages and either sex aggregate under a single rock or log, especially in spring.

Diet

​Typical foods include earthworms and small frogs. ​

Reproduction

Females lay eggs, sometimes communally, in late June-July. Hatchlings emerge in late August-September.

Reptile
Diadophis punctatus