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
A common rattlesnake of coastal and inland southern California, noted for its variable venom and dark diamond blotches.
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
A small rattlesnake endemic to the arid Baja California peninsula, adapted to desert scrub and rocky terrain.
Great Basin Rattlesnake
A pale, desert-adapted rattlesnake of the arid Great Basin, blending well with sandy and rocky terrain.
Red Diamond Rattlesnake
A large pinkish-red rattlesnake of Baja California and southern California, marked with bold diamond blotches.
Long-nosed Rattlesnake
A regionally used name sometimes applied to slender-snouted rattlesnakes of arid terrain, most often referring to the tiger rattlesnake.
Arizona Black Rattlesnake
A darkly colored montane rattlesnake of central Arizona known for its ability to darken further with age and altitude.
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
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
A critically endangered island endemic notable for lacking a functional rattle segment, making it unusually silent among rattlesnakes.
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
A small, rare rattlesnake of central Mexico's high volcanic slopes, distinguished by bold crossbands rather than typical diamond blotches.
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
A small rattlesnake of the central Mexican plateau notable for its distinctly narrow, lance-shaped head compared to most rattlesnakes.
Western Massasauga
A small prairie rattlesnake with a lighter, more contrasting blotched pattern than its eastern relative.
Western Hognose Snake
A stout, upturned-nosed colubrid of the North American prairies, known for its bluffing displays and generally docile nature.
Eastern Massasauga
A small, secretive rattlesnake of wetland prairies, now rare and protected across much of its range.
Sidewinder
A small desert rattlesnake famous for its unique sideways locomotion, which minimizes contact with scorching sand.
Mole Kingsnake
A secretive, burrowing kingsnake subspecies with a faded, blotched pattern that grows more obscure with age.
Massasauga
A small, secretive rattlesnake of wetland prairies, named from an Ojibwe word meaning 'great river-mouth.'
Desert Massasauga
The smallest and most arid-adapted massasauga, found in dry grasslands and desert scrub of the southern plains.
Western Fox Snake
A stout, tan-and-brown blotched constrictor of the Midwest prairies, sometimes mistaken for a rattlesnake due to defensive tail vibration.
Great Plains Rat Snake
A gray-brown rat snake with dark blotches and a distinctive arrow-shaped mark on the head, common in the prairie states.
Graham's Crayfish Snake
A slender, striped aquatic snake of the central U.S. plains and prairies that feeds heavily on crayfish.