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Category

Mammals

Warm-blooded vertebrates with fur or hair that nurse their young with milk, ranging from tiny shrews to the blue whale.

Total Species
31
Endangered or Worse
19
Most Popular
Lion
A photo of Aardvark (Orycteropus afer)
Least Concern

Aardvark

Orycteropus afer

Mammal

The aardvark is a nocturnal, burrowing mammal found across sub-Saharan Africa, best known for its long snout and powerful digging claws used to raid termite mounds.

A photo of African Elephant (Loxodonta africana)
Endangered

African Elephant

Loxodonta africana

Mammal

The African elephant is the largest living land animal, roaming savannas, forests, and deserts across sub-Saharan Africa in tightly-bonded matriarchal herds.

A photo of Bald Uakari (Cacajao calvus)
Vulnerable

Bald Uakari

Cacajao calvus

Mammal

The bald uakari is a small Amazonian monkey best known for its strikingly bare, bright red face, found in seasonally-flooded forests along the Amazon and its tributaries.

A photo of Bengal Tiger (Panthera tigris tigris)
Endangered

Bengal Tiger

Panthera tigris tigris

Mammal

The 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.

A photo of Blue Whale (Balaenoptera musculus)
Endangered

Blue Whale

Balaenoptera musculus

Mammal

The blue whale is the largest animal known to have ever existed, filtering enormous quantities of tiny krill from the ocean through baleen plates as it roams every ocean except the Arctic.

A photo of Bornean Orangutan (Pongo pygmaeus)
Critically Endangered

Bornean Orangutan

Pongo pygmaeus

Mammal

The Bornean orangutan is a critically-endangered great ape found only on the island of Borneo, spending nearly its entire life moving through the rainforest canopy.

A photo of Bottlenose Dolphin (Tursiops truncatus)
Least Concern

Bottlenose Dolphin

Tursiops truncatus

Mammal

The bottlenose dolphin is one of the most widely-recognized and intelligent marine mammals, found in temperate and tropical oceans worldwide.

A photo of Cheetah (Acinonyx jubatus)
Vulnerable

Cheetah

Acinonyx jubatus

Mammal

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

A photo of Common Vampire Bat (Desmodus rotundus)
Least Concern

Common Vampire Bat

Desmodus rotundus

Mammal

The common vampire bat is one of only three bat species that feeds exclusively on blood, mainly targeting livestock across Latin America under cover of darkness.

A photo of Dromedary Camel (Camelus dromedarius)
Least Concern

Dromedary Camel

Camelus dromedarius

Mammal

The dromedary, or one-humped camel, is a large desert mammal domesticated thousands of years ago and superbly adapted to surviving extreme heat and long stretches without water.

A photo of Fennec Fox (Vulpes zerda)
Least Concern

Fennec Fox

Vulpes zerda

Mammal

The fennec fox is the smallest fox species in the world, adapted to the extreme heat of the Sahara Desert with famously oversized ears.

A photo of Giant Panda (Ailuropoda melanoleuca)
Vulnerable

Giant Panda

Ailuropoda melanoleuca

Mammal

The giant panda is a bear native to the mountain forests of central China, famous for a diet made up almost entirely of bamboo despite a digestive system built for meat.

A photo of Gray Wolf (Canis lupus)
Least Concern

Gray Wolf

Canis lupus

Mammal

The 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.

A photo of Hippopotamus (Hippopotamus amphibius)
Vulnerable

Hippopotamus

Hippopotamus amphibius

Mammal

The 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.

A photo of Impala (Aepyceros melampus)
Least Concern

Impala

Aepyceros melampus

Mammal

The impala is a medium-sized antelope found across eastern and southern African savannas, famous for its explosive leaping ability when startled.

A photo of Jaguar (Panthera onca)
Near Threatened

Jaguar

Panthera onca

Mammal

The 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.

A photo of Koala (Phascolarctos cinereus)
Endangered

Koala

Phascolarctos cinereus

Mammal

The koala is a tree-dwelling marsupial native to Australia, spending nearly its entire life in eucalyptus trees on a diet that would be toxic to most other mammals.

A photo of Lion (Panthera leo)
Vulnerable

Lion

Panthera leo

Mammal

The 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.

A photo of Mountain Gorilla (Gorilla beringei beringei)
Endangered

Mountain Gorilla

Gorilla beringei beringei

Mammal

The mountain gorilla is a critically-studied great ape subspecies living in the misty forested slopes of the Virunga Mountains and Bwindi in central Africa, and one of conservation's most notable recovery stories.

A photo of Narwhal (Monodon monoceros)
Near Threatened

Narwhal

Monodon monoceros

Mammal

The narwhal is an Arctic whale famous for the male's long spiraled tusk, which is actually an enormous protruding canine tooth, earning it the nickname 'unicorn of the sea'.

A photo of Plains Zebra (Equus quagga)
Near Threatened

Plains Zebra

Equus quagga

Mammal

The plains zebra is the most common and widespread zebra species, roaming the grasslands of eastern and southern Africa in large, ever-shifting herds.

A photo of Polar Bear (Ursus maritimus)
Vulnerable

Polar Bear

Ursus maritimus

Mammal

The polar bear is the largest land carnivore on Earth, superbly adapted to hunting seals across the sea ice of the Arctic Circle.

A photo of Quokka (Setonix brachyurus)
Vulnerable

Quokka

Setonix brachyurus

Mammal

The quokka is a small wallaby found almost exclusively on a handful of islands off Western Australia, widely nicknamed 'the world's happiest animal' for its permanent smile-like expression.

A photo of Red Panda (Ailurus fulgens)
Endangered

Red Panda

Ailurus fulgens

Mammal

The red panda is a small, tree-dwelling mammal native to the temperate forests of the eastern Himalayas, unrelated to the giant panda despite the shared name and bamboo diet.

A photo of Sea Otter (Enhydra lutris)
Endangered

Sea Otter

Enhydra lutris

Mammal

The sea otter is the heaviest member of the weasel family and one of the few mammals known to use tools, cracking open shellfish with rocks while floating on its back.

A photo of Snow Leopard (Panthera uncia)
Vulnerable

Snow Leopard

Panthera uncia

Mammal

The snow leopard is an elusive big cat adapted to life in the high, cold mountains of Central and South Asia, so rarely seen it's often called the 'ghost of the mountains'.

A photo of Urial (Ovis vignei)
Vulnerable

Urial

Ovis vignei

Mammal

The urial is a wild sheep species native to the dry hills and mountains of Central and South Asia, recognized by the male's large curling horns.

A photo of Walrus (Odobenus rosmarus)
Vulnerable

Walrus

Odobenus rosmarus

Mammal

The walrus is a massive Arctic marine mammal easily identified by its long ivory tusks, thick blubber layer, and distinctive whiskered snout.

A photo of Xerus (African Ground Squirrel) (Xerus inauris)
Least Concern

Xerus (African Ground Squirrel)

Xerus inauris

Mammal

The Cape ground squirrel, or xerus, is a burrowing rodent of southern Africa's arid plains, easily recognized by holding its bushy tail overhead like a built-in parasol.

A photo of Yak (Bos grunniens)
Vulnerable

Yak

Bos grunniens

Mammal

The yak is a large, long-haired bovine adapted to the extreme cold and thin air of the high Himalayan plateau, long domesticated as a vital pack animal.

A photo of Yellow-bellied Marmot (Marmota flaviventris)
Least Concern

Yellow-bellied Marmot

Marmota flaviventris

Mammal

The yellow-bellied marmot is a large ground squirrel found in the mountains of western North America, spending nearly eight months of the year in deep hibernation.

Mammals FAQs

How many mammals are listed here?

This page currently features 31 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 Mammals.

Are any of these animals endangered?

Yes — 19 of the 31 species listed are classified as vulnerable, endangered, or critically endangered.

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