Polar bear runs over snowy landscape amongst trees, freezing weather

polar bear wildlife nanuq hudson bay nanook bear large animal wild places ursus ursus maritimus white fur wilderness manitoba canadian outdoors vulnerable species snowy landscape fauna canada canadian countryside animal carnivore wild mammal nature carnivorous cold temperatures run hypercarnivorous snow winter cold predator marine mammal alone countryside remote churchill season carnivora outdoors outside freezing white adult ursidae mammalia weather single