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walrus : a large gregarious marine mammal (Odobenus rosmarus of the family Odobenidae) of arctic waters related to the seals that has limbs modified into webbed flippers, long ivory tusks, a tough wrinkled hide, stiff whiskers, and a thick layer of blubber — Merriam-Webster   See also   OneLook


Walrus is a large flippered marine mammal with a discontinuous distribution about the North Pole in the Arctic Ocean and subarctic seas of the Northern Hemisphere. The walrus is the only living species in the family Odobenidae and genus Odobenus. This species is subdivided into three subspecies: the Atlantic walrus (O. r. rosmarus) which lives in the Atlantic Ocean, the Pacific walrus (O. r. divergens) which lives in the Pacific Ocean, and O. r. laptevi, which lives in the Laptev Sea of the Arctic Ocean.

Adult walrus have prominent tusks, whiskers, and bulk. Adult males in the Pacific can weigh more than 2,000 kg (4,400 lb) and, among pinnipeds, are exceeded in size only by the two species of elephant seals. Walruses live mostly in shallow waters above the continental shelves, spending significant amounts of their lives on the sea ice looking for benthic bivalve mollusks to eat. Walruses are relatively social animals, and they are considered to be a “keystone species” in the Arctic marine regions. — Wikipedia

Walrus (Encyclopædia Britannica)

Walrus (One Zoom)
Walrus (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: 599.799 Walruses (Library Thing)
Subject: Walruses (Library Thing)

Subject: Walruses (Open Library)

LCC: QL 737.P64 Walruses (UPenn Online Books)
Subject: Walruses (UPenn Online Books)

LCC: QL 737.P64 Walruses (Library of Congress)
Subject: Walruses (Library of Congress)

Subject: Walruses (WorldCat)




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)


Society for Marine Mammalogy

American Society of Mammalogists
The Mammal Society


Marine Mammal Science (Society for Marine Mammalogy)

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

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



Walrus (USA.gov)


More News …

Phys.org - latest science and technology news stories Phys.org internet news portal provides the latest news on science including: Physics, Nanotechnology, Life Sciences, Space Science, Earth Science, Environment, Health and Medicine.

  • Arctic Ocean soundscapes reveal changes in mammal...
    on November 6, 2023 at 2:40 pm

    While the sounds of our oceans may be familiar to us through the lens of nature documentaries, from the haunting calls of whales to the barks of some fish, this acoustic environment can provide a wealth of knowledge to scientists regarding the complex interplay of nature and humanity. Not only this, but ocean soundscapes can record environmental changes, hinting at the ever-evolving underwater world and its response to climate change.

  • Boom in 'ice ivory' trade of mammoth tusks...
    on October 13, 2023 at 1:17 pm

    Conservationists fear a rise in the buying and selling of mammoth tusks, known as the "ice ivory" trade, poses a new threat to elephants.

  • Flagship individual animals found to boost...
    on October 12, 2023 at 8:56 pm

    "Flagship" individual animals like Cecil the lion or Freya the walrus can boost conservation, new research suggests.


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.