Snake Identifier

Snake Encyclopedia

Search and identify 1,000+ snakes from around the world — with family, range, size, habitat, and how to tell similar species apart.

Yellow-blotched Palm Pit Viper

Yellow-blotched Palm Pit Viper

A green arboreal pit viper of Guatemalan and Chiapan cloud forests, marked with pale yellow blotches along its back.

Fan Si Pan Horned Pit Viper

Fan Si Pan Horned Pit Viper

A stout mountain pit viper with small hornlike scales above the eyes, found in high-elevation forests of the Fan Si Pan region.

Desert Mountain Adder

Desert Mountain Adder

A little-known rocky-terrain adder confined to arid mountain slopes along the Orange River region of southern Africa.

Urutu

Urutu

A heavy-bodied pit viper of grasslands and marshes in southern South America, known for its distinctive alternating dark blotches.

False Fer-de-lance

False Fer-de-lance

A colubrid widely known for resembling fer-de-lance pit vipers through dramatic head-flattening displays.

Rough-Scaled Sand Boa

Rough-Scaled Sand Boa

A stout, blunt-tailed burrowing boa from South Asia with a bold, blotched pattern often mistaken for a viper.

Gaboon Adder

Gaboon Adder

One of the largest and heaviest vipers in the world, renowned for its intricate geometric camouflage.

European Adder

European Adder

The only snake native to much of the British Isles, with an enormous range spanning from western Europe to the Russian Far East, including areas within the Arctic Circle.

Amazon False Fer-de-lance

Amazon False Fer-de-lance

A viper-mimicking colubrid of the Amazon that flattens its head into a triangular shape, resembling a pit viper.

Sichuan Lancehead

A terrestrial pit viper native to Sichuan Province, China, part of the Protobothrops group of Asian lanceheads.

Copperhead

Copperhead

A copper-colored pit viper common across the eastern US, known for its hourglass-shaped crossbands and reliance on camouflage.

Many-Horned Adder

Many-Horned Adder

A rocky-habitat adder distinguished by clusters of small spiny scales above each eye, unlike the single horn of related species.

Namaqua Dwarf Adder

Namaqua Dwarf Adder

Regarded as the world's smallest viper species, this diminutive adder inhabits coastal dunes of southern Africa.

Eastern Copperhead

Eastern Copperhead

A copper-colored pit viper common across the eastern and central United States, known for its hourglass-shaped bands.

Golden Lancehead

Golden Lancehead

A critically endangered island-endemic pit viper found only on a single Brazilian island, adapted to hunting birds.

Common Lancehead

Common Lancehead

The most widespread lancehead of the Amazon Basin, found across tropical South America.

Japanese Mamushi

Japanese Mamushi

A small pit viper widespread across Japan.

Habu

Habu

A large pit viper endemic to Japan's Ryukyu Islands.

Ussuri Mamushi

Ussuri Mamushi

A small, cold-tolerant pit viper of the Russian Far East and northeastern Asia.

Horned Adder

Horned Adder

A small desert adder with a prominent single horn-like scale above each eye, well camouflaged against sandy soils.

Common Adder

Common Adder

A small, widespread viper found across Europe and into northern Asia, notable for having the largest geographic range of any land snake species.

Short-Tailed Mamushi

Short-Tailed Mamushi

A short, stout pit viper closely related to the Japanese mamushi, found across East Asia.

Rock Mamushi

Rock Mamushi

A rock-dwelling pit viper native to the Korean Peninsula, closely resembling other regional mamushis.

South American Bushmaster

South American Bushmaster

The longest viper in the Americas, a massive pit viper of Amazonian rainforest with a distinctive spined tail.