Mammals

Perhaps because it's the group that also includes human beings, mammals are often considered to be the most advanced animals on our planet. This group includes well-known animals like dogs, cats, whales, and humans. Explore resources about mammal classification, habitat, evolution, and more.

  • Nutria
    Nutria Facts (Copyu)
  • Adult domestic chinchilla
    Chinchilla Facts
  • Cacomistle (Bassariscus sumichrasti)
    Cacomistle Facts
  • Female okapi
    Okapi Facts
  • Male and female white African Lions (Panthera leo)
    White Lion Animal Facts
  • Pair of juvenile African Pygmy goats
    Pygmy Goat Facts
  • Close-Up Of Black Bear
    Florida Black Bear Facts
  • Single guanaco
    Guanaco Facts
  • Alpaca close-up
    Alpaca Facts
  • Gray seal and pup
    Gray Seal Facts
  • Howler monkey
    Howler Monkey Facts
  • Angora goats
    Angora Goat Facts
  • Sun bear
    Sun Bear Facts
  • Long-haired spider monkey
    Spider Monkey Facts
  • North American river otter
    North American River Otter Facts
  • Group of fennec foxes
    Fennec Fox Facts
  • Tennessee fainting goat
    Fainting Goat Facts
  • The chipmunk is a small, striped squirrel.
    Chipmunk Facts
  • Female llama with young (cria).
    Llama Facts: Habitat, Behavior, Diet
  • White-tailed deer in Canada
    White-Tailed Deer Facts
  • Female opossum (Didelphis virginiana) carrying young
    Opossum Facts
  • Duck-billed platypus
    Platypus Facts
  • Pangolin hunting for ants
    Pangolin Facts
  • The capybara is a large South American rodent.
    Capybara Facts
  • The raccoon has a masked face and a banded tail.
    Raccoon Facts
  • Koala and Joey
    Koala Facts: Habitat, Behavior, Diet
  • Red Kangaroo
    Kangaroo: Habitat, Behavior, and Diet
  • The red panda is more closely related to raccoons than to giant pandas.
    Red Panda Facts
  • Black-footed ferret (Mustela nigripes)
    Black-Footed Ferret Facts
  • Lighter fur tips give the grizzly bear its grizzled appearance.
    Grizzly Bear Facts (Ursus arctos horribilis)
  • In the winter, arctic foxes have white or blue coats, depending on where they live.
    Fascinating Arctic Fox Facts (Vulpes lagopus)
  • Western lowland gorilla (Gorilla gorilla gorilla), Bayanga, Central African Republic
    Western Lowland Gorilla Facts
  • The naked mole rat, Heterocephalus glaber, lives in the drier regions of East Africa.
    Weird Naked Mole Rat Facts (Heterocephalus glaber)
  • The red fox is widely distributed worldwide.
    Red Fox Facts
  • An African wild dog pup has more fur than an adult.
    African Wild Dog Facts: Diet, Behavior, Habitat
  • Snow Leopard (Panthera uncia)
    Snow Leopard Facts (Panthera uncia)
  • Polar Bear (Ursus maritimus)
    Polar Bear Facts (Ursus maritimus)
  • Golden lion tamarin
    Golden Lion Tamarin Facts
  • Hawaiian monk seal
    Hawaiian Monk Seal Facts
  • Harp seals are best known for the white fur of their pups.
    Harp Seal Facts (Pagophilus groenlandicus)
  • Hippos in Akagera National Park
    Hippopotamus: Habitat, Behavior and Diet
  • Male African lion.
    African Lion Facts: Habitat, Diet, Behavior
  • Hammer-headed bat
    Hammer-Headed Bat Facts (Big-Lipped Bat)
  • Mother brown bear standing over her cub, Kuril Lake, Kamchatka, Russia.
    Brown Bear Facts (Ursus arctos)
  • Adult leopard seal (Hydrurga leptonyx) on ice in Cierva Cove, Antarctic Peninsula, Antarctica, Southern Ocean, Polar Regions
    Leopard Seal Facts
  • A herd of African Elephants walking
    African Elephant Facts
  • The surname Mahony comes from the old Irish 'O'Mathghamhna,' meaning "bear."
    Bear Facts: Habitat, Behavior, Diet
  • 2 Masai giraffes
    Giraffe Facts: Habitat, Behavior, Diet
  • Amur Leopard walking in a snowy environment
    Amur Leopard Facts
  • The greyhound is able to run up to 45 mph, making it the world's fastest dog.
    How Fast Can Greyhounds Run?
  • A wildlife biologist checks the wings of a big brown bat for signs of white nose syndrome.
    What Is White-Nose Syndrome in Bats?
  • Camel
    Camel Facts: Habitat, Behavior, Diet
  • A cheetah leaves the ground between leaps when running.
    How Fast Can a Cheetah Run?
  • Leopard - Panthera pardus
    10 Facts About Mammals Everyone Should Know
  • The main mammal characteristics
    The Eight Main Characteristics of Mammals
  • Pyrenean Ibex,Capra pyrenaica pyrenaica, Hautes Pyrenees, Midi Pyrenees, France
    Pyrenean Ibex Facts
  • capybara
    The 20 Biggest Mammals, Ranked by Category
  • Lionesses and cubs in South Luangwa National Park, Zambia
    What Is a Pride of Lions?
  • A close up image of a zebra relaxing, lying on the grass, while others in his herd graze in the background. Gauteng South Africa
    Zebra Facts: Habitat, Behavior, Diet
  • Rodents - Rodentia
    Facts and Characteristics of Rodents
  • Bat Sounds: What Noise Do Bats Make?
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