Adult male polar bear (Ursus maritimus), on multi-year ice floes off the eastern coast of Spitsbergen in the Svalbard, Norway

polar bear ursus maritimus adult male svalbard arctic wildlife natural habitat ice floes cold environment animal behavior powerful majestic carnivore survival marine mammal snow region landscape nature biodiversity ecosystem northern wild animals conservation frozen exploration regions thick fur white hunting circle winter climate solitary creature destruction endangered species change fragile