Eastern Hognose Snake

Only known to exist in one area of Colorado, the eastern hognose is a mildly-venomous snake that specializes in eating toads.

Eastern Hog-nosed Snake, NPS

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About This Species

​Eastern hognose snakes get their name from their upturned snouts. They are rarely found in Colorado, and have only been reported in a single locale. They are mildly venomous, but their venom is specific to amphibians and they are considered harmless to humans. As with other Heterodon species, they have a threat reaction of first bluffing by striking with a closed mouth and then pretending to die if this fails to deter the threat.

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Physical Characteristics

The back is covered by large, rectangular blotches; the snout is upturned and spade-like; upper scales are keeled; underside of tail is lighter in color than the body.  Maximum total length of 33 in (84 cm).

Range

​This species was recently found in extreme Eastern Colorado near Holly, CO.​​

Habitat

​Typically found in sandy habitats.​​​

Diet

​Amphibians and insects are the most common prey items, with toads being their primary food.

Reproduction

Hatchlings average 4.75-10 in (12-25 cm). ​​

Reptile
Heterodon platirhinos