Plains Hog-nosed Snake Heterodon nasicus


Description: 15 - 25 inches. Plains Hognose Snakes are brown or tan with darker blotches on the back and sides. The belly is mostly black, with occasional light patches. There is an upturned scale on the nose, which is said to look like the front of a hog's nose.

Similar Species: At first glance prairie rattlesnakes may look similar in color and pattern, but plains hog-nosed snakes lack a rattle and have a distinct upturn snout.

Status: Level I - Species of Conservation Priority (learn more)

Comments: Plains hog-nosed snakes are most often encountered in sandy habitats along rivers, and in the bandlands.

Distribution Map
Distribution of the Plains Hog-nosed Snake (Heterodon nasicus)

County level distribution of this species in North Dakota. Map generated from data collected from voucher specimens and photographic records.

Phenology of Plains Hog-nosed Snake (Heterodon nasicus)