* Snowshoe hares. Snowshoe hares have large feet that help them distribute their weight evenly in the snow, and their fur turns white in the winter to camouflage them from predators.
* Ptarmigans. Ptarmigans are grouse-like birds that live in the Arctic tundra. They have thick feathers and legs, and their feet are covered in feathers to help them stay warm.
* Arctic foxes. Arctic foxes have thick, white fur that helps them camouflage themselves in the snow. They also have short legs and a bushy tail that help them stay warm in the cold.
* Polar bears. Polar bears are the largest bears in the world, and they are well-adapted for life in the Arctic. They have thick fur and a layer of fat that helps them stay warm, and they can swim long distances in the icy waters of the Arctic Ocean.