Snake Identifier

Snake Encyclopedia

Search and identify 1,000+ snakes from around the world — with venomous status, family, range, size, habitat, and how to tell look-alikes apart.

Southern Pacific Rattlesnake

Southern Pacific Rattlesnake

A common rattlesnake of coastal and inland southern California, noted for its variable venom and dark diamond blotches.

Mexican Dusky Rattlesnake

Mexican Dusky Rattlesnake

A small, high-elevation rattlesnake of Mexico's central highland forests, notable for its diminutive size and dark, muted coloration.

Baja California Rattlesnake

Baja California Rattlesnake

A small rattlesnake endemic to the arid Baja California peninsula, adapted to desert scrub and rocky terrain.

Great Basin Rattlesnake

Great Basin Rattlesnake

A pale, desert-adapted rattlesnake of the arid Great Basin, blending well with sandy and rocky terrain.

Red Diamond Rattlesnake

Red Diamond Rattlesnake

A large pinkish-red rattlesnake of Baja California and southern California, marked with bold diamond blotches.

Long-nosed Rattlesnake

Long-nosed Rattlesnake

A regionally used name sometimes applied to slender-snouted rattlesnakes of arid terrain, most often referring to the tiger rattlesnake.

Carolina Pygmy Rattlesnake

Carolina Pygmy Rattlesnake

A small, gray-toned rattlesnake subspecies of the Carolinas and Gulf Coastal Plain, with a subtle rusty back stripe.

Mottled Rock Rattlesnake

Mottled Rock Rattlesnake

A small rattlesnake with a mottled, rock-matching pattern found in rugged limestone and granite terrain of the southwestern United States and Mexico.

Santa Catalina Island Rattlesnake

Santa Catalina Island Rattlesnake

A critically endangered island endemic notable for lacking a functional rattle segment, making it unusually silent among rattlesnakes.

Mexican West Coast Rattlesnake

Mexican West Coast Rattlesnake

One of the largest rattlesnakes in Mexico, inhabiting tropical dry forest and thorn scrub along the Pacific coast.

Cross-banded Mountain Rattlesnake

Cross-banded Mountain Rattlesnake

A small, rare rattlesnake of central Mexico's high volcanic slopes, distinguished by bold crossbands rather than typical diamond blotches.

Northern Black-tailed Rattlesnake

Northern Black-tailed Rattlesnake

A robust, calm-tempered rattlesnake of rocky desert and mountain terrain, easily recognized by its uniformly dark tail.

Mexican Lance-headed Rattlesnake

Mexican Lance-headed Rattlesnake

A small rattlesnake of the central Mexican plateau notable for its distinctly narrow, lance-shaped head compared to most rattlesnakes.

Sidewinder

Sidewinder

A small desert rattlesnake famous for its unique sideways locomotion, which minimizes contact with scorching sand.

Eastern Massasauga

Eastern Massasauga

A small, secretive rattlesnake of wetland prairies, now rare and protected across much of its range.

Desert Massasauga

Desert Massasauga

The smallest and most arid-adapted massasauga, found in dry grasslands and desert scrub of the southern plains.

Massasauga

Massasauga

A small, secretive rattlesnake of wetland prairies, named from an Ojibwe word meaning 'great river-mouth.'

Pacific Gopher Snake

Pacific Gopher Snake

A large, heavy-bodied colubrid of the Pacific coast known for its loud hiss and defensive tail-vibrating display that often leads to mistaken identity as a rattlesnake.

Bull Snake

Bull Snake

A large, powerful colubrid famous for its loud hissing bluff display, often mistaken for a rattlesnake.

Western Massasauga

Western Massasauga

A small prairie rattlesnake with a lighter, more contrasting blotched pattern than its eastern relative.

Gopher Snake

Gopher Snake

A large, powerfully built colubrid often mistaken for a rattlesnake due to its defensive hissing and tail-vibrating display.

Western Fox Snake

Western Fox Snake

A stout, tan-and-brown blotched constrictor of the Midwest prairies, sometimes mistaken for a rattlesnake due to defensive tail vibration.

Pit Viper

Pit Viper

A diverse group of vipers defined by heat-sensing facial pits, including rattlesnakes, copperheads, and Asian bamboo vipers.

Zayu Mountain Pit Viper

Zayu Mountain Pit Viper

A little-known, regionally endemic pit viper from the mountainous borderlands of southeastern Tibet.