The Polar Bear (Ursus maritimus) is a large mammal of the order Carnivora, family Ursidae (bears). It is a circumpolar species found in and around the Arctic Ocean and is the world's largest land carnivore. Adult males weigh from 400 to 600kg and occasionally exceed 800kg. Females are about half the size of males and normally weigh 200 to 300kg. Adult males measure 240 to 260cm; females, 190 to 210cm. At birth, cubs weigh 600 to 700g. The polar bear is instantly recognisable by its white-colored coat. Unlike other arctic mammals, it never sheds this coat for a darker color in the summer. The hair is not actually pigmented white; it is unpigmented and hollow, like white hair in humans. Neither does the hair have fibre-optic properties, a myth commonly perpetuated for the past two decades.














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Images 1 Through 6 From The U.S. Fish & Wildlife Service
Images 7 Through 18 Are From The N.O.A.A.


























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