1
African Rock Python
Python sebae
Africa's largest snake and one of the world's heaviest constrictors, blotched with rich brown and tan along its long, muscular body.
Below are snakes that contain the letter O anywhere in the name. Each of the 66 snakes below opens to a full profile.
Table of contents
List of Snakes That Contain O
2
Anaconda
Eunectes murinus
The green anaconda is the heaviest snake in the world, a massive semi-aquatic boa of South American swamps and slow river systems.
3
Arabian Sand Boa
Eryx jayakari
A small, pop-eyed desert boa with eyes set on top of its head, allowing it to ambush prey while completely buried in loose sand.
4
Ball Python
Python regius
A small, docile West African python that curls into a tight ball when threatened, now the most popular pet snake in the world.
5
Blue Coral Snake
Calliophis bivirgatus
A spectacular Southeast Asian elapid with deep blue flanks, a red head and tail, and venom glands stretching a quarter of its body length.
6
Boa Constrictor
Boa constrictor
A heavy-bodied neotropical boa famed for its strong constriction and adaptability across forests, savannas, and human-modified habitats.
7
Boelen Python
Simalia boeleni
A glossy iridescent black mountain python of New Guinea, prized by collectors and considered sacred by some highland communities.
8
Boomslang
Dispholidus typus
A large-eyed, slender African tree snake with potent rear-fanged hemotoxic venom and remarkable colour differences between the sexes.
9
Brown Tree Snake
Boiga irregularis
A nocturnal Indo-Pacific colubrid notorious for invading Guam and devastating the island's native bird fauna.
10
Burmese Python
Python bivittatus
One of the world's largest snakes, a Southeast Asian giant now infamous as an invasive species in the Everglades of Florida.
11
Carpet Python
Morelia spilota
A widely variable Australasian python with bold geometric patterns, comfortable in trees, rocks, and even suburban roofs.
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Coachwhip
Masticophis flagellum
A long, slender, exceptionally fast North American colubrid whose tail is patterned like a braided whip.
13
Coastal Taipan
Oxyuranus scutellatus
Australia's largest venomous snake and one of the world's most dangerous elapids, with a coffin-shaped head and lightning-fast strike.
14
Common Garter Snake
Thamnophis sirtalis
A small, harmless North American snake with three pale stripes down a dark back, one of the most familiar wild snakes on the continent.
15
Common Krait
Bungarus caeruleus
A glossy black-and-white South Asian elapid responsible for many bites at night because it readily enters homes and beds.
16
Copperhead
Agkistrodon contortrix
A pit viper of the eastern United States with copper-coloured hourglass bands, responsible for more snakebites in the U.S. than any other species.
17
Coral Snake
Micrurus nigrocinctus
A widespread brightly ringed neotropical elapid with potent neurotoxic venom, common in moist forests across Central and northern South America.
18
Corn Snake
Pantherophis guttatus
A handsome orange-and-red North American rat snake long popular in herpetoculture as a beginner-friendly pet.
19
Dog-faced Water Snake
Cerberus rynchops
A stocky, mildly venomous snake of Asian mangrove swamps with a blunt dog-like snout suited to hunting in muddy water.
20
Eastern Brown Snake
Pseudonaja textilis
An aggressive, slim Australian elapid responsible for most snakebite deaths on the continent and possessing the world's second-most toxic venom.
21
Eastern Coral Snake
Micrurus fulvius
A small, slender, red-yellow-and-black ringed elapid of the American Southeast with extremely potent neurotoxic venom.
22
Eastern Diamondback Rattlesnake
Crotalus adamanteus
The largest rattlesnake in the world, a heavy-bodied pit viper of the longleaf pine ecosystems of the American Southeast.
23
Eastern Indigo Snake
Drymarchon couperi
The longest native snake in the United States, a glossy blue-black colubrid that preys on venomous snakes in the southeastern coastal plain.
24
Egyptian Cobra
Naja haje
A large, broad-hooded African elapid steeped in ancient Egyptian symbolism and reputed to be the snake of Cleopatra's death.
25
European Adder
Vipera berus
A small, cool-tolerant Eurasian viper whose dark zig-zag stripe is one of the most recognisable patterns in European wildlife.
26
False Coral Snake
Anilius scytale
A South American colubrid that mimics the bold red-and-black ringed pattern of true coral snakes but is harmless to humans.
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Flowerpot Snake
Indotyphlops braminus
The most widely distributed land snake on Earth, a tiny blind burrower spread by potted plants and parthenogenetic reproduction.
28
Forest Cobra
Naja melanoleuca
A large, glossy black-and-yellow African elapid of equatorial rainforests, known for its semi-aquatic habits and powerful neurotoxic venom.
29
Gaboon Viper
Bitis gabonica
A massive, perfectly camouflaged African viper with the longest fangs of any snake, lying motionless in leaf litter for weeks at a time.
30
Glossy Snake
Arizona elegans
A sand-coloured nocturnal constrictor of the American Southwest, named for the polished sheen of its smooth scales.
31
Golden Lancehead
Bothrops insularis
A critically endangered pit viper found only on Snake Island off the coast of Brazil, with venom potent enough to subdue migratory birds in flight.
32
Green Tree Python
Morelia viridis
A bright emerald-green python of New Guinean and northern Australian rainforests, often photographed coiled neatly on a horizontal branch.
33
Hognose Snake
Heterodon platirhinos
A stout, upturned-snouted North American colubrid famous for hissing, flattening its neck, and then playing dead when bluffing fails.
34
Horned Viper
Cerastes cerastes
A small, sand-coloured desert viper of North Africa and the Middle East, recognisable by the upright horn above each eye.
35
Indian Cobra
Naja naja
A widespread South Asian elapid bearing the iconic spectacle marking on its hood, sacred in Hindu mythology and one of the Big Four medically important snakes of India.
36
Indian Python
Python molurus
A large South Asian python, paler and a touch shorter than its Burmese relative, equally at home in jungles and rocky hillsides.
37
Jamaican Boa
Chilabothrus subflavus
A handsome yellow-and-black Caribbean constrictor endemic to Jamaica, critically reduced by introduced mongooses and habitat loss.
38
Jungle Carpet Python
Morelia spilota cheynei
A striking yellow-and-black Australian python prized in herpetoculture, native to rainforest in far north Queensland.
39
King Brown Snake
Pseudechis australis
A heavy, broad-headed Australian elapid also known as the mulga snake, with the largest venom yield of any Australian snake.
40
King Cobra
Ophiophagus hannah
The world's longest venomous snake, native to South and Southeast Asian forests, known for the hooded display and powerful neurotoxic venom.
41
Long-nosed Whip Snake
Platyceps najadum
A slim Mediterranean colubrid with a sharply pointed snout, racing through dry scrub and stone walls at remarkable speed.
42
Madagascar Tree Boa
Sanzinia madagascariensis
A handsome iridescent arboreal boa endemic to the rainforests of eastern Madagascar, one of three native boa species on the island.
43
Mangrove Snake
Boiga dendrophila
A striking black-and-yellow Southeast Asian colubrid with rear fangs, found coiled in low branches over tidal estuaries.
44
Mojave Rattlesnake
Crotalus scutulatus
A green-tinged desert rattlesnake of the American Southwest whose venom mixes hemorrhagic and powerful neurotoxic components.
45
Northern Water Snake
Nerodia sipedon
A heavy, banded non-venomous water snake of eastern North America, frequently misidentified as a cottonmouth and killed by mistake.
46
Nose-horned Viper
Vipera ammodytes
A southern European viper with a single upward-curving horn on the snout, considered the most dangerous snake in Europe.
47
Olive Python
Liasis olivaceus
A large, uniformly coloured Australian python of rocky watercourses across the tropical north, second only to the scrub python in Australian length.
48
Olive Sea Snake
Aipysurus laevis
A large, curious Indo-Pacific marine elapid often encountered on coral reefs, approaching divers without aggression but bearing potent venom.
49
Oriental Rat Snake
Ptyas mucosa
A long, slim, alert Asian colubrid often kept by snake charmers, beneficial around villages for controlling rats and rodents.
50
Pope Pit Viper
Trimeresurus popeiorum
A slender green arboreal pit viper of Southeast Asian rainforests, named for the American herpetologist Clifford H. Pope.
51
Reticulated Python
Malayopython reticulatus
The longest snake species in the world, a slender Southeast Asian giant with a complex network-like geometric pattern.
52
Rhinoceros Viper
Bitis nasicornis
A spectacularly patterned West and Central African viper with two or three horns at the tip of the snout.
53
Ribbon Snake
Thamnophis sauritus
A long, thin striped garter-snake relative that hunts frogs along the edges of clean ponds and streams in eastern North America.
54
Rough Green Snake
Opheodrys aestivus
A slim emerald-green arboreal colubrid of the eastern United States that hunts caterpillars and spiders in low foliage.
55
Sand Boa
Eryx colubrinus
A short, thick, blunt-tailed burrowing boa of African and Asian deserts that spends most of its life buried in loose sand.
56
Smooth Snake
Coronella austriaca
A small, slim European colubrid with mirror-smooth scales, scarce and protected across most of its northern range.
57
Spitting Cobra
Naja nigricollis
A black-necked African cobra that defends itself by spraying venom from modified fangs straight at the eyes of a threat.
58
Twin-spotted Rattlesnake
Crotalus pricei
A small, high-altitude rattlesnake of the sky-island pine forests on the U.S.-Mexico border, with a row of paired dark blotches along the back.
59
Uracoan Rattlesnake
Crotalus vegrandis
A small Venezuelan rattlesnake of dry savanna habitats, named for the Uracoa River in Monagas state.
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Western Diamondback Rattlesnake
Crotalus atrox
The most widespread rattlesnake in the American Southwest, responsible for a large share of snakebites across the desert states.
61
Western Hognose Snake
Heterodon nasicus
A small, upturned-snouted prairie snake popular as a pet, famous for puffing up dramatically and then playing dead.
62
Worm Snake
Carphophis amoenus
A tiny, pink-bellied burrower of eastern North American woodlands that looks more like an earthworm than a typical snake.
63
Xenodermus
Xenodermus javanicus
A bizarre Southeast Asian dragon snake with three rows of raised dorsal scales that look more like a row of small spines than ordinary scales.
64
Yellow Anaconda
Eunectes notaeus
A heavy yellow-and-black South American boa of the Pantanal and Chaco, smaller than the green anaconda but still among the largest snakes on Earth.
65
Yellow-bellied Sea Snake
Hydrophis platurus
A fully pelagic marine elapid found drifting in open ocean across most of the Indian and Pacific, the most widely distributed snake in the world.
66
Zebra Spitting Cobra
Naja nigricincta
A small African elapid of dry savanna and rocky scrub, marked with stark light-and-dark bars that resemble zebra stripes on the throat.
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