Male Polar Bears, Ursus maritimus, engaged in ritualistic mock fighting (serious injuries are rare), near Churchill, northern Manitoba, Hudson Bay, Canada

Male Polar Bears, Ursus maritimus, engaged in ritualistic mock fighting (serious injuries are rare), near Churchill, northern Manitoba, Hudson Bay, Canada

Male Polar Bears, Ursus maritimus, engaged in ritualistic mock fighting (serious injuries are rare), near Churchill, northern Manitoba, Hudson Bay, Canada

Mother Polar Bear (Ursus maritimus) with 3 month old cubs near Wapusk Park, northern Manitoba, Canada.

Male Polar Bears, Ursus maritimus, beginning to engage in ritualistic mock fighting (serious injuries are rare), near Churchill, northern Manitoba, Hudson Bay, Canada

Adult male Polar Bear, Ursus maritimus, shaking like a dog after scratching his back on a willow tree near Churchill, northern Manitoba, Hudson Bay, Canada

Mother Polar Bear (Ursus maritimus) with 3 month old cubs near Wapusk Park, northern Manitoba, Canada.

Polar Bear cubs snuggled and resting on mothers body, Ursus maritimus, taiga, Churchill, Manitoba, Hudson Bay, Canada

Mother Polar Bear (Ursus maritimus) with 3 month old cubs near Wapusk Park, northern Manitoba, Canada.

Polar Bear cubs snuggled and resting on mothers body, Ursus maritimus, taiga, Churchill, Manitoba, Hudson Bay, Canada

marine, mammals, Curious, adult, male, Polar Bear, Ursus maritimus, white bear, sea bear, ice bear, northern bear, nanuq, inspects dog, Churchill, northern Manitoba, Hudson Bay, Canada, predator, dangerous, fur, blubber, translucent,

marine, Mother, Polar Bear, white bear, ice bear, northern bear, sea bear, nanuq, predator, translucent, fur, camouflage, Ursus maritimus, adults, young, juvenile, cub, three month old, 3 month old, COY, Cub of the Year, fresh snow, Churchill, northern Ma

Adult male Polar Bear, Ursus maritimus, in fresh snow and spruce trees near Churchill, northern Manitoba, Hudson Bay, Canada