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Venomous animals

558 species

Venom is a type of poison, especially one secreted by an animal. It is delivered in a bite, sting, or similar action. Venom has evolved in terrestrial and marine environments and in a wide variety of animals: both predators and prey, and both vertebrates and invertebrates. Venomous animals cause tens of thousands of human deaths per year. Toxins from venom are used to treat a wide range of medical conditions including thrombosis, arthritis, and some cancers.

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Venom is a type of poison, especially one secreted by an animal. It is delivered in a bite, sting, or similar action. Venom has evolved in terrestrial and marine environments and in a wide variety of animals: both predators and prey, and both vertebrates and invertebrates. Venomous animals cause tens of thousands of human deaths per year. Toxins from venom are used to treat a wide range of medical conditions including thrombosis, arthritis, and some cancers.

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Platypus

Ornithorhynchus anatinus

The platypus (Ornithorhynchus anatinus), sometimes referred to as the duck-billed platypus, is a semiaquatic, egg-laying mammal endemic to eastern Australia, including Tasmania. Together with the four species of echidna, it is one of the five extant...

King Cobra

Ophiophagus hannah

The King cobra (Ophiophagus hannah) is a highly venomous snake endemic to jungles in Southern and Southeast Asia. The sole member of the genus Ophiophagus, it is distinguishable from other cobras, most noticeably by its size and neck patterns. The...

Water Moccasin

Agkistrodon piscivorus

The Water moccasin (Agkistrodon piscivorus) is a species of venomous pit viper. It is one of the world's few semiaquatic vipers (along with the Florida cottonmouth) and is native to the southeastern United States. As an adult, it is large and...

Copperhead

Agkistrodon contortrix

The copperhead (Agkistrodon contortrix) is a venomous pit viper endemic to eastern North America; it is a member of the subfamily Crotalinae in the family Viperidae. As a common species within its range, it may be encountered by humans. Unlike other...

Gila Monster

Heloderma suspectum

The Gila monster (Heloderma suspectum) is a heavy slow-moving venomous lizard. It is the largest extant lizard native to North America north of the Mexican border. The name "Gila" refers to the Gila River Basin in the U.S. states of New Mexico and...

Common European Adder

Vipera berus

The Common European adder (Vipera berus) is a venomous snake that is very widespread and can be found throughout most of central and eastern Europe and as far as East Asia. Known by a host of common names including Common adder and Common viper,...

Timber Rattlesnake

Crotalus horridus

The Timber rattlesnake (Crotalus horridus ) is a species of venomous, sometimes highly venomous, pit viper endemic to eastern North America. This is the only rattlesnake species in most of the populous Northeastern United States and is second only...

Cane toad

Rhinella marina

The cane toad (Rhinella marina ), also known as the giant neotropical toad or marine toad, is a large, terrestrial true toad native to South and mainland Central America, but which has been introduced to various islands throughout Oceania and the...

Russell's Viper

Daboia russelii

Russell's viper (Daboia russelii) is a venomous snake found in Asia. The species is named for Patrick Russell, a Scottish herpetologist who first described many of India's snakes. In Bengali, this snake is called Chandroborha since it carries...

Boomslang

Dispholidus typus

The boomslang (Dispholidus typus) is a large, highly venomous snake in the family Colubridae. It is native to Africa and its common name means "tree snake" in Afrikaans.

Massasauga

Sistrurus catenatus

The massasauga (Sistrurus catenatus) is a venomous rattlesnake species found in midwestern North America. Like all rattlesnakes, it belongs to the pit viper family. Rattlesnakes receive their name from the rattle located at the end of their tails,...

Western Diamondback Rattlesnake

Crotalus atrox

The Western diamondback rattlesnake (Crotalus atrox) is a venomous rattlesnake species found in the United States and Mexico. It is likely responsible for the majority of snakebite fatalities in northern Mexico and the greatest number of snakebites...

Eastern Diamondback Rattlesnake

Crotalus adamanteus

The Eastern diamondback rattlesnake (Crotalus adamanteus) is a species of venomous pit viper that is found only in the southeastern United States. It has the reputation of being the most dangerous venomous snake in North America.

Saharan Horned Viper

Cerastes cerastes

The Saharan horned viper (Cerastes cerastes) is a venomous species of viper native to northern Africa and parts of the Arabian Peninsula and Levant. It often is easily recognized by the presence of a pair of supraocular "horns", although hornless...

Golden poison frog

Phyllobates terribilis

The golden poison frog (Phyllobates terribilis ), also known as the golden dart frog or golden poison arrow frog, is a poison dart frog endemic to the rainforests of Colombia. The golden poison frog has become endangered due to habitat destruction...

Fire salamander

Salamandra salamandra

The fire salamander (Salamandra salamandra ) is a common species of salamander found in Europe.It is black with yellow spots or stripes to a varying degree; some specimens can be nearly completely black while on others the yellow is dominant. Shades...

Banded Krait

Bungarus fasciatus

The Banded krait (Bungarus fasciatus) is the largest species of kraits, with a maximum length up to 2.7 m (8 ft 10 in).Although the banded krait is venomous and its bite may be deadly to humans, it is shy, primarily nocturnal, and not particularly...

Puff Adder

Bitis arietans

The Puff adder (Bitis arietans) is a venomous viper species. This snake is responsible for causing the most snakebite fatalities in Africa owing to various factors, such as its wide distribution, frequent occurrence in highly populated regions, and...

American toad

Anaxyrus americanus

The American toad (Anaxyrus americanus ) is a common species of toad found throughout Canada and the eastern United States. It is divided into three subspecies: the eastern American toad (A. a. americanus ), the dwarf American toad (A. a....

Red-Bellied Black Snake

Pseudechis porphyriacus

The Red-bellied black snake (Pseudechis porphyriacus) is a species of venomous snake native to Australia. Originally described by George Shaw in 1794 as a species new to science, it is one of eastern Australia's most commonly encountered snakes. It...

Egyptian Cobra

Naja haje

The Egyptian cobra (Naja haje) is one of the most venomous snakes in North Africa, which has caused many snakebite incidents to humans. It is one of the largest cobras on the African continent.

Sidewinder

Crotalus cerastes

The sidewinder (Crotalus cerastes) is a venomous pit viper species belonging to the genus Crotalus (the rattlesnakes). It is found in the desert regions of North America.

Brown Tree Snake

Boiga irregularis

The Brown tree snake (Boiga irregularis) is an arboreal rear-fanged colubrid snake native to Oceania. This snake is infamous for being an invasive species responsible for extirpating the majority of the native bird population in Guam. It is also one...

Nose-Horned Viper

Vipera ammodytes

The Nose-horned viper (Vipera ammodytes) is a venomous species found in southern Europe. It is reputed to be the most dangerous of the European vipers due to its large size, long fangs (up to 13 mm), and high venom toxicity. The specific name,...

Spotted salamander

Ambystoma maculatum

The spotted salamander or yellow-spotted salamander (Ambystoma maculatum ) is a mole salamander common in eastern United States and Canada. The spotted salamander is the state amphibian of Ohio and South Carolina. This salamander ranges from Nova...

Indian Saw-Scaled Viper

Echis carinatus

The Indian saw-scaled viper (Echis carinatus) is a venomous viper species native to Asia. It is the smallest member of the big four snakes that are responsible for causing the most snakebite cases and deaths.

Eastern newt

Notophthalmus viridescens

The eastern newt (Notophthalmus viridescens ) is a common newt of eastern North America. It frequents small lakes, ponds, and streams or nearby wet forests. The eastern newt produces tetrodotoxin, which makes the species unpalatable to predatory...

Prairie Rattlesnake

Crotalus viridis

The Prairie rattlesnake (Crotalus viridis) is a venomous pit viper species native to North America. Currently, two subspecies are recognized, including the Prairie rattlesnake, the nominate subspecies, and the Hopi rattlesnake.

Pygmy Rattlesnake

Sistrurus miliarius

The Pygmy rattlesnake (Sistrurus miliarius) is a small venomous snake native to the United States. It is a member of the pit viper family. Pit vipers have a heat-sensing pit organ located between the eye and the nostril on both sides of the head;...

Black-Tailed Rattlesnake

Crotalus molossus

The Black-tailed rattlesnake (Crotalus molossus) is a venomous pit viper species found in the southwestern United States and Mexico. Alternate common names of this snake are Green rattler and Northern black-tailed rattlesnake.

Yellow-Bellied Sea Snake

Hydrophis platurus

The Yellow-bellied sea snake (Hydrophis platurus) is a venomous species of snake found in tropical oceanic waters around the world except for the Atlantic Ocean. It is one of the most widely distributed snakes in the world. Yellow-bellied sea snakes...

Rinkhals

Hemachatus haemachatus

The rinkhals (Hemachatus haemachatus) is a venomous elapid found in parts of southern Africa. It is not a true cobra in that it does not belong to the genus Naja. While rinkhals bear a great resemblance to true cobras they also possess some...

Hydrophis belcheri

Hydrophis belcheri, commonly known as the faint-banded sea snake or Belcher's sea snake, is an extremely venomous species of elapid sea snake. It has a timid temperament and would normally have to be subjected to severe mistreatment before biting....

Mamushi

Gloydius blomhoffii

Mamushi (Gloydius blomhoffii) is a venomous pit viper species found in Japan. It is one of the most venomous snakes in Japan. Every year, 2000-3000 people in Japan are bitten by a mamushi.

Yellow-Lipped Sea Krait

Laticauda colubrina

The Yellow-lipped sea krait (Laticauda colubrina) venomous sea snake found in tropical Indo-Pacific oceanic waters. This snake spends much of its time under water to hunt, but returns to land to digest, rest, and reproduce. Because of its affinity...

Asp Viper

Vipera aspis

The Asp viper (Vipera aspis) is a venomous snake found in southwestern Europe. Bites from this species can be very painful and about 4% of all untreated bites are fatal.

Western Rattlesnake

Crotalus oreganus

Western rattlesnake, commonly known as the (northern) Pacific rattlesnake, is a venomous pit viper species found in western North America from the Baja California Peninsula to the southern interior of British Columbia.

Rough-skinned newt

Taricha granulosa

The rough-skinned newt or roughskin newt (Taricha granulosa ) is a North American newt known for the strong toxin exuded from its skin.

Monocled Cobra

Naja kaouthia

The Monocled cobra (Naja kaouthia) is a venomous cobra species widespread across South and Southeast Asia. Some populations of the Monocled cobra have the ability to spit venom, earning them the name "Indian spitting cobra".

Southern American Bushmaster

Lachesis muta

Southern American bushmasters (Lachesis muta) are venomous pit vipers found in South America. They are the third longest venomous snakes in the world. They are similar in appearance to rattlesnakes and vibrate their tail vigorously when alarmed, but...

Northern Short-Tailed Shrew

Blarina brevicauda

The Northern short-tailed shrew (Blarina brevicauda) is the largest shrew in its genus and occurs in the northeastern region of North America. It is a highly active, and voracious insectivore. It is notable in that it is one of the few venomous...

Mexican Beaded Lizard

Heloderma horridum

The Mexican beaded lizard (Heloderma horridum) is one of the two species of venomous beaded lizards. It and the other member of the same genus, the Gila monster, are the only lizards known to have evolved an overt venom delivery system. As it is a...

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