Viperidae
31 species.
Eastern Diamondback
The largest rattlesnake and heaviest venomous snake in the Americas. Their rattl...
Sidewinder
Named for their unique sideways locomotion, leaving J-shaped tracks in sand. Thi...
Russells Viper
Responsible for more human deaths than almost any other snake in Asia. Their ven...
Saw-scaled Viper
Considered the snake that kills the most people worldwide. Small but extremely a...
Gaboon Viper
Have the longest fangs of any snake — up to 5 cm. Also deliver the largest volum...
Copperhead
The most common venomous snake bite in the US, but rarely fatal. Their copper-co...
Cottonmouth
Named for their bright white mouth, displayed as a threat. Also called water moc...
Timber Rattlesnake
The only rattlesnake found in most of the northeastern US. They gather in large ...
European Adder
The only venomous snake native to Britain. Their zigzag dorsal pattern is distin...
Puff Adder
Responsible for the most snakebites in Africa. They rely on camouflage and will ...
Bushmaster
The longest viper in the world at up to 3 meters. Very reclusive and rarely enco...
Malayan Pit Viper
Responsible for a significant number of snakebites in Southeast Asia. They lie m...
Temple Viper
Named after the Temple of the Azure Cloud in Penang, Malaysia, where large popul...
Rhinoceros Viper
One of the most spectacularly patterned snakes, with geometric shapes in blue, r...
Waglers Pit Viper
One of the most photogenic snakes with bright green coloring and triangular head...
Fer-de-lance
The most dangerous snake in Central and South America, responsible for more deat...
Jararaca
The snake whose venom led to the development of ACE inhibitor drugs (captopril),...
Mojave Rattlesnake
A rattlesnake of the deserts of the southwestern US and central Mexico, often wi...
Western Diamondback
A large, heavy-bodied rattlesnake with bold black and white bands on the tail, g...
Prairie Rattlesnake
The common rattlesnake of the Great Plains, ranging from southern Canada to nort...
Eastern Massasauga
A small, shy rattlesnake of wet prairies and marshes around the Great Lakes. Its...
Pygmy Rattlesnake
One of the smallest rattlesnakes. Its tiny rattle produces a thin buzz that soun...
Saharan Horned Viper
A desert viper famous for the pointed horn above each eye, though some individua...
Nose-horned Viper
Named for the soft, scaly horn on the tip of its snout. Often considered the mos...
Eyelash Viper
A small arboreal pit viper named for the modified scales above its eyes that loo...
South American Rattlesnake
The most widespread rattlesnake in South America, found in dry, open habitats bu...
Golden Lancehead
Found only on Ilha da Queimada Grande, a small island off the coast of Sao Paulo...
Hundred-pace Viper
A stout pit viper with a sharply upturned snout. Its name comes from the legend ...
Variable Bush Viper
A tree-dwelling viper of African rainforests whose color varies from green to ol...
Hairy Bush Viper
Famous for its extremely keeled, bristly scales, which give it a hairy or feathe...
Hump-nosed Viper
A small pit viper with an upturned, humped snout. Once thought to be harmless, i...