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The walrus ( Odobenus rosmarus) is a large pinniped marine mammal with discontinuous distribution about the North Pole in the Arctic Ocean and subarctic seas of the Northern Hemisphere. It is the only extant species in the family Odobenidae and genus Odobenus.
Walrus ivory, also known as morse, comes from two modified upper canines of a walrus. The tusks grow throughout life and may, in the Pacific walrus, attain a length of one metre. Walrus teeth are commercially carved and traded; the average walrus tooth has a rounded, irregular peg shape and is approximately 5 cm in length.
Learn about the walrus, a sociable and long-tusked marine mammal that lives in the Arctic Circle. Find out how walruses use their tusks, whiskers, and blubber to survive in their icy habitat and why they are vulnerable to hunting.
The walrus is easily recognised by its sheer size and magnificent tusks. It is a keystone species in Arctic marine ecosystems. The walrus was once threatened by commercial hunting, but today the biggest danger it faces is climate change.
5 sept. 2022 · Learn why walruses have tusks, how they use them for survival, and how they grow and vary in size and shape. Find out the legal status of walrus tusk trade in different countries and regions.
1 juin 2024 · Learn about the walrus, a huge, seal-like mammal with long tusks that lives in Arctic seas. Find out how it feeds, mates, and is hunted by humans and predators.
28 oct. 2021 · Around 255 million years ago, a family of mammal relatives called dicynodonts — tusked, turtle-beaked herbivores ranging in stature from gopher-size burrowers to six-ton behemoths — wandered the...
