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Line 1: − [[Image:Walrus1.JPG|right|Walruses.]]+ − − The '''Walrus''' ''Odobenus rosmarus'' is a large species of [[Arctic]] [[pinniped]], readily distinguished from all other marine mammals by the possession of a pair of substantial tusks, used for hauling them onto ice floes. Walruses have no external ears, and are heavily whiskered, which aids them in detecting their main food, [[mollusc]]s living on the sea floor. Sometimes rogue walruses, generally large adult males, will attack and consume smaller [[seal]]s and toothed [[whale]]s. − − Three populations, sometimes considered as subspecies, are recognized; in the north [[Atlantic Ocean]], the north [[Pacific Ocean]], and the [[Laptev Sea]]. − − Walruses have been traditionally hunted by Arctic people for their meat, hide and [[ivory]] for thousands of years. In recent times, hunting for ivory has severely impacted walrus populations. Although now protected, some [[poaching]] continues. The only other animal that preys upon adult walrus is the [[orca|killer whale]], though [[polar bear]]s will sometimes attack calves. − − Though generally confined to shallow coastal areas with ice floes, walruses occasionally wander further afield, with individuals recorded from as far south as [[Scotland]] and [[Ireland]]. − − − == Trivia == − − One of the protagonists of [[Lewis Carroll]]'s poem, ''The walrus and the carpenter'', is a walrus and is accurately depicted feeding upon molluscs. − − It features in the song by [[The Beatles]], ''I am the walrus''. − − == External links == − − *[http://www.fao.org/fi/website/FIRetrieveAction.do?dom=species&fid=3580 Walrus factsheet.] − *[http://animaldiversity.ummz.umich.edu/site/accounts/information/Odobenus_rosmarus.html Walrus] − − [[Category:Marine mammals]]
Replacing page with 'POLYSTYRENE'
POLYSTYRENE