Dangerous Animals
Animals capable of seriously harming other animals — or humans.

Bengal Tiger
Panthera tigris tigris
MammalThe Bengal tiger is the most numerous tiger subspecies, primarily found in India, and is the largest wild cat native to Asia's forests, mangroves, and grasslands.

Cheetah
Acinonyx jubatus
MammalThe cheetah is the fastest land animal on Earth, built for explosive short sprints across the open grasslands and semi-desert of Africa.

Golden Poison Frog
Phyllobates terribilis
AmphibianThe golden poison frog is widely regarded as the most toxic animal on Earth by weight, native to a small stretch of Colombian rainforest.

Gray Wolf
Canis lupus
MammalThe gray wolf is the largest wild member of the dog family, once ranging across nearly the entire Northern Hemisphere and living in tightly-coordinated family packs.

Hippopotamus
Hippopotamus amphibius
MammalThe hippopotamus is one of the largest land mammals, spending most of the day submerged in African rivers and lakes to keep its huge body cool.

Jaguar
Panthera onca
MammalThe jaguar is the largest big cat in the Americas and the only living member of the genus Panthera found in the New World, prowling the rainforests of Central and South America.

King Cobra
Ophiophagus hannah
ReptileThe king cobra is the world's longest venomous snake, found across the forests of South and Southeast Asia, and is unusual among snakes for building a nest to guard its eggs.

Lion
Panthera leo
MammalThe lion is one of the world's most recognizable big cats, known as the 'king of the jungle' despite living mainly on open savanna, and is the only cat species that lives in large social groups called prides.

Nile Crocodile
Crocodylus niloticus
ReptileThe Nile crocodile is Africa's largest crocodilian and one of the continent's most feared apex predators, ambushing prey at the water's edge across rivers, lakes, and wetlands.

Polar Bear
Ursus maritimus
MammalThe polar bear is the largest land carnivore on Earth, superbly adapted to hunting seals across the sea ice of the Arctic Circle.

Tyrannosaurus Rex
Tyrannosaurus rex
DinosaurTyrannosaurus rex was one of the largest land predators to ever exist, dominating the ecosystems of western North America at the very end of the Cretaceous period roughly 66-68 million years ago.

Western Diamondback Rattlesnake
Crotalus atrox
ReptileThe western diamondback rattlesnake is one of the most dangerous and widely-distributed venomous snakes in North America, easily identified by the diamond pattern along its back.
Dangerous Animals FAQs
How many dangerous animals are listed here?
This page currently features 12 species, and more are added regularly as the dataset grows.
What is the most popular animal in this list?
Lion is currently the most popular animal in Dangerous Animals.
Are any of these animals endangered?
Yes — 7 of the 12 species listed are classified as vulnerable, endangered, or critically endangered.
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