Walruses are large semi-aquatic mammals that live in the cold Arctic seas of the Northern Hemisphere. Two subspecies exist: the Atlantic, Odobenus rosmarus rosmarus, and the Pacific, Odobenus rosmarus divergens. The Pacific walrus is slightly larger, the male weighing up to 4000 lb (1.8 t).Etymology
The English word walrus comes from the Dutch walrus, apparently a folk-etymology inversion from an Old Norse form resembling hrosshvalr, a kind of whale. The walrus is a member of order Carnivora and is the only species in the family Odobenidae. The compound odobenus comes from odous (Greek for "tooth") and baino (Greek for "walk"), based on observations of walruses using their tusks to pull themselves out of the water. Rosmarus originates in the Swedish word for walrus. Divergens in Latin means "turning apart", referring to the tusks.















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Walruses mate in the water and give birth on land or ice floes. They feed in the water, diving to depths of 300 ft (91 m), sometimes staying under for as long as a half hour. Clams and mollusks form a large part of their diet. Male walruses compete for territory, often fighting each other; the winners in these fights breeds with large numbers of females. Older male walruses frequently bear large scars from these bloody but rarely fatal battles. Pacific walruses spend the summer north of the Bering Strait in the Chukchi Sea along the north shore of eastern Siberia, around Wrangel Island, in the Beaufort Sea along the north shore of Alaska, and in the waters between those locations.

Above Images Come From The US Fish & Wildlife Service




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