Scientifically-speaking there are 11 mammal groups, and most Mammals are warm-blooded, have body hair, give live birth and nurse their young with milk from mammary glands. Check out these articles about all kinds of mammals.
Aquatic Mammals
Bats
Bears
Carnivores
Hoofed Mammals
Insectivores
Marsupials
Primates
Rodents
Other Mammals
Aquatic Mammals
Aquatic mammals such as whales and dolphins live and feed in the ocean. The Blue Whale is the biggest mammal on Earth.
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Manatee
Pilot Whale
Beluga
Dolphins
Do whales and dolphins sleep?
How Walruses Work
Seal
How Whales Work
Narwhal
Porpoise
Bats
Bats are the only flying mammal. Learn about these peculiar and misunderstood animals in this section.
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The Ultimate Why Bats Hang Upside Down Quiz
Bat
The Ultimate How Bats Work Quiz
Vampire Bat
13 Incredible Bat Facts
The Ultimate Bat Quiz
False Vampire Bat
The Ultimate Bat vs. Fungus Quiz
Attracting Bats
Could a fungus cause the extinction of bats?
Bears
Bears are part of the Mammalia Class and are within the order Carnivora. There are only 8 living species of bear and each has stocky legs a long snout, thick shaggy hair and five non-retractile claws.
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Why don't pandas hibernate?
Giant Panda
Panda
Bears
How Polar Bears Work
European Rabbit
Polar Bear
American Beaver
Will I die if I eat polar bear liver?
Bears throughout the Year
Carnivores
Carnivores are meat-eating mammals. Learn about tigers, coyotes, and other predators of the animal kingdom.
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Cheetah
Cats
Badger
Cougar
Coyote
Civet
Dog
Dingo
Caracal
Bobcat
Hoofed Mammals
Hoofed animals are generally herbivorious and very diverse. Learn about antelopes, cattle, deer, pigs and sheep.
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Do cows pollute as much as cars?
Do the humps on camels hold water?
Babirusa
Buffalo
Boar
Bison
Bighorn
Addax
How Fainting Goats Work
Antelope
Insectivores
Insectivores are carnivorous mammals that survive by eating almost nothing but small insects. Insectivores include bats, frogs, lizards and anteaters.
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Tenrec
Mole
Armadillo
Hedgehog
Elephant Shrew
Anteater
Echidna
Shrew
Aardvark
Sloth
Marsupials
Marsupials are mammals that commonly bear a pouch such as Kangaroos and Koala Bears. Two thirds of marsupial species are found in Australia.
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Red Kangaroo
Marsupials
Tasmanian Tiger
Koala
Tasmanian Devil
What's the difference between a wallaby and a kangaroo?
Kangaroo
Bandicoot
Opossum
Wombat
Primates
Primates are placental mammals that include gorillas, monkeys and chimpanzees, as well as humans. Other than humans, primates are found mostly in Central and South America, Africa, and South Asia.
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Baboon
Gorilla
Gibbon
Ape
Why do humans walk on two legs?
Chimpanzee
Flying Lemur
Drill
Is there a difference between monkeys and apes?
Galago
Rodents
Nearly 40% of mammal species are rodents, and they are found on every continent except Antarctica. Rodents include mice, rats, squirrels, chipmunks and beavers, among others.
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Beaver
Chipmunk
Lemming
Dormouse
Nutria
Hamster
Kangaroo Rat
Ground Squirrel
Guinea Pig
Capybara
Other Mammals
Mammals are perhaps the most recognized type of wild animals on the planet. Check out our articles on well-known mammals like elephants, giraffes and panda bears, as well as some you might not know like pikas and tapirs.
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Duckbill Platypus
Hippopotamus
Pika
Rabbits and Hares
Did people initially think the duckbill platypus was a hoax?