A mother polar bear (Ursus maritimus), with cub of the year feeding on a fin whale carcass in Holmabukta, Svalbard, Norway

polar bear cub fin whale carcass feeding holmabukta svalbard arctic wildlife ursus maritimus marine life nature summer animal behavior conservation habitat mother offspring ecosystem survival sealife ice ocean predator prey food source environment tundra coastline circle fauna mammal carnivore floes loss climate change biology watching nurturing endangered species welfare underwater