Polar Bear female between trees, with her three months old cubs, on Tundra

polar bear ice bear wapusk np snow snow covered arctic polar tundra ursus nanook cub winter hudson bay wilderness ursus maritimus ice manitoba denning area sea ice lone predator carnivore on the move denning site first steps freezing fletcher lake protecting resting maritimus no people watching rare churchill playing mother denning instinct newly born endangered carring priceless threatened young baby cute funny