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mammal : any of a class (Mammalia) of warm-blooded higher vertebrates (such as placentals, marsupials, or monotremes) that nourish their young with milk secreted by mammary glands, have the skin usually more or less covered with hair, and include humans — Webster   See also   OneLook


Mammals are the vertebrates within the class Mammalia, a clade of endothermic amniotes distinguished from reptiles (including birds) by the possession of a neocortex (a region of the brain), hair, three middle ear bones, and mammary glands. Females of all mammal species nurse their young with milk, secreted from the mammary glands. — Wikipedia

Mammal (Encyclopædia Britannica)

Mammals (One Zoom)
Mammalia Linnaeus, 1758 (Catalogue of Life)
Mammal (WolframAlpha)




Mammalogy is the study of mammals – a class of vertebrates with characteristics such as homeothermic metabolism, fur, four-chambered hearts, and complex nervous systems. Mammalogy has also been known as “mastology,” “theriology,” and “therology.” The major branches of mammalogy include natural history, taxonomy and systematics, anatomy and physiology, ethology, ecology, and management. — Wikipedia

Mammalogy (Encyclopædia Britannica)

The Science of Mammalogy (The American Society of Mammalogists)




DDC: /599 Mammals (Library Thing)
Subject: Mammals (Library Thing)

Subject: Mammals (Open Library)

LCC: QL 700 Mammals (UPenn Online Books)
Subject: Mammals (UPenn Online Books)

LCC: QL 700 Mammals (Library of Congress)
Subject: Mammals (Library of Congress)

Subject: Mammals (WorldCat)




Introducing the Mammals (Biology4Kids)

MERLOT: Multimedia Educational Resource for Learning and Online Teaching
OER Commons: Open Educational Resources



Careers in Mammalogy (American Society of Mammalogists)

Zoologists and Wildlife Biologists (CareerOneStop, U.S. Department of Labor, Employment and Training Administration)


American Society of Mammalogists
The Mammal Society


Journal of Mammalogy (American Society of Mammalogists)
Mammalian Species (American Society of Mammalogists)
Mammal Review (The Mammal Society)

Mammals (EurekaAlert, American Association for the Advancement of Science)
Mammals (bioRxiv: Preprint Server for Biology, Cold Spring Harbor Laboratory)
Mammals (Science Daily)
Mammals (Science News)
Mammals (
Mammals (NPR Archives)



Mammal (


More News …

Mammals News -- ScienceDaily Mammals in the news, wild mammals, mammal conservation efforts, and domesticated mammals.

  • The quail could be the unknown reservoir of...
    on February 1, 2023 at 6:42 pm

    The quail could be the unknown reservoir of the Toscana virus (TOSV) and the Sandfly Fever Sicilian virus (SFSV), mosquito-borne pathogens that can infect domestic animals and also cause disease in humans.

  • Deer browsing is just one of many factors shaping...
    on January 31, 2023 at 6:10 pm

    In a new study, a research team discovered evidence that browsing by white-tailed deer had relatively little long-term impact on two tree species in a northern forest.

  • Economics trump environment to save big cats, say...
    on January 24, 2023 at 4:27 pm

    Rapid economic growth has pushed rare species of big carnivores to the brink of extinction, but ecologists have suggested our appetite to once again live alongside big cats is increasing.

  • Study reveals influence of krill availability on...
    on January 23, 2023 at 8:15 pm

    Scientists show reduced krill supplies lead to fewer pregnancies in humpback whales -- a finding that could have major implications for industrial krill fishing. Data from Antarctica show more humpback whales get pregnant after years with abundant krill than after years when krill were less plentiful.

  • DNA from domesticated chickens is tainting...
    on January 19, 2023 at 7:15 pm

    The red junglefowl -- the wild ancestor of the chicken -- is losing its genetic diversity by interbreeding with domesticated birds, according to a new study. - latest science and technology news stories internet news portal provides the latest news on science including: Physics, Nanotechnology, Life Sciences, Space Science, Earth Science, Environment, Health and Medicine.

  • Do milder winters mean Lyme disease season lasts...
    on February 6, 2023 at 4:20 pm

    The lack of snow cover and mild winter weather that has people trading in snowshoes and skis for hiking boots, and shovels for gardening rakes, is also increasing their exposure to Lyme disease year-round, scientists say.

  • Bird flu detected in mammals but risk to humans...
    on February 3, 2023 at 6:29 pm

    Experts have warned that the recent detection of bird flu in mammals including foxes, otters, minks, seals and even grizzly bears is concerning but emphasized that the virus would have to significantly mutate to spread between humans.

  • Fossils in a northern Alberta riverbed may reveal...
    on February 3, 2023 at 4:29 pm

    Alberta has been ground zero for dinosaur discoveries in Canada since the 1880s, when several Geological Survey of Canada expeditions collected dinosaur bones from the southern part of the province.

  • Engineer discovers method to improve...
    on February 3, 2023 at 4:26 pm

    In the body, crystals—made of things such as calcium or a collection of urine—form masses that can cause pain and serious health conditions. A University of Houston crystals expert, Jeffrey Rimer, Abraham E. Dukler Professor of Chemical Engineering, known globally for his seminal breakthroughs using innovative methods to control crystals to help treat malaria and kidney stones, is reporting a new method to control the growth of ammonium urate crystals, the substance known to cause kidney […]

  • Researchers have determined what African...
    on February 2, 2023 at 1:59 pm

    With an electrode adhered to one fan-shaped ear, another on the back of the neck and a ground wire at its hip, an African elephant munches on a snack as it is presented with a sound, over and over again. A team of University of Cincinnati researchers works around the animal and on a ladder beside it, monitoring its health and collecting data.


Here are links to pages about closely related subjects.

Knowledge Realm

Terrestrial   (Earth)

Sphere Land, Ice, Water (Ocean), Air, Life (Cell, Gene)
Ecosystem Forest, Grassland, Desert, Arctic, Aquatic

Tree of Life
Microorganism Virus
Prokaryote Archaea, Bacteria
Eukaryote Protist, Fungi, Algae, Protozoa (Tardigrade)
Plant Flower, Tree
Cnidaria Coral, Jellyfish
Cephalopod Cuttlefish, Octopus
Crustacean Lobster, Shrimp
Arachnid Spider, Scorpion
Insect Ant, Bee, Beetle, Butterfly
Fish Seahorse, Ray, Shark
Amphibian Frog, Salamander
Reptile Turtle, Tortoise, Dinosaur
Bird Penguin, Ostrich, Owl, Crow, Parrot
Mammal Platypus, Bat, Mouse, Rabbit, Goat, Giraffe, Camel, Horse, Elephant, Mammoth
Walrus, Seal, Polar Bear, Bear, Panda, Cat, Tiger, Lion, Dog, Wolf
Cetacean Whale, Dolphin
Primate Monkey, Chimpanzee, Human


1.   The resources on this page are are organized by a classification scheme developed exclusively for Cosma.