How to Identify the Hognose Snake (Identification Guide)

Key identifying features

Hognose snakes are most easily recognized by their distinctive upturned, shovel-shaped snout, which they use for digging in sandy or loose soil. This feature alone separates them from nearly every other snake species sharing their range. They are stout-bodied with a short, thick tail and keeled (ridged) scales that give the body a rough, non-glossy texture.

Coloration & pattern

Coloration is extremely variable, even within a single species, ranging from tan, gray, and olive to yellow, orange, or nearly black. Most individuals show a series of dark, squarish or rounded blotches down the back with smaller alternating blotches along the sides, though some populations are almost solid-colored with little visible pattern. The belly is often mottled gray, yellow, or checkered black-and-white, which is unusual among snakes and can help confirm identification when the snake is flipped or seen from below by chance.

Head, eyes & scales

The head is broad and only slightly distinct from the neck, with round pupils. The upturned rostral scale at the tip of the snout is keeled and pointed upward, giving the face a pig-like profile in side view. Body scales are heavily keeled, giving a matte rather than shiny appearance, unlike many smooth-scaled colubrids.

Size & body shape

Adults typically range from 20 to 33 inches in length, with a thick, muscular build relative to their length. The tail is noticeably short and tapers quickly. When threatened, hognose snakes flatten their neck and forebody like a cobra, hiss loudly, and may strike with a closed mouth in a bluff display; if this fails, some will roll over and play dead with the mouth agape and tongue lolling.

Range & habitat where you'll see it

Hognose snakes favor sandy, well-drained soils in prairies, open woodlands, coastal dunes, and agricultural edges, where their digging snout is put to use in loose substrate. They are often found basking on sandy roads or trails during the day.

How to tell it apart from look-alikes

The upturned snout is the single most reliable field mark distinguishing hognose snakes from blotched patterned snakes such as young rat snakes, milksnakes, or gopher snakes, all of which have flat or rounded snouts. The dramatic hooding and hissing display can cause hognose snakes to be mistaken for cobras or vipers by the public, but hognose snakes lack the triangular pit-viper head shape and heat-sensing pits, and they are not native to regions with true cobras.