Many animals change their coat when winter comes, such as turning their fur color to white or growing heavier to camouflage and keep warm.
A stoat Mustela erminea in Gran Paradiso Park, Italy. According to National Geographic, a stoat has a chestnut coat in the summer and turns white to camouflage in the winter.
A stoat captures one of its favorite prey, a vole, in Gran Paradiso National Park, Italy. In warmer temperatures the predator sports a chestnut-colored coat.
An Arctic fox is in white snow on a moonlit night. In the winter, the fur under the Arctic fox feet grows thicker like snow boots, insulating and keeping the body warm.
An Arctic fox pup enjoys what remains of a lemming carcass in Alaska. Patches of its white winter coat are just emerging.
In a coat well suited for the icy northern tundra, Arctic hares blend in on Canada’s Ellesmere Island. With their long hind legs, hares reach speeds of up to 40 miles (64 kilometers) an hour.
In the summer, the Arctic rabbit fur is white and brown to better match the color of the ground.
Long white feathers coat the willow ptarmigan during winter, along with a few black tail feathers. Feathers covering the bird’s feet keep it snug while walking on snowy surfaces. Willow ptarmigan flourish in the Arctic’s northern tundra.
A chicken-like bird, the willow ptarmigan sports a rust-colored coat during warmer seasons.
The rarely seen snow leopard blends into its snowy home in Asia. Its thick coat and tail help it stay warm in frigid temperatures. Furry, extra large paws serve as snowshoes and provide warmth and traction, preventing it from sinking into deep snow.
The Arctic reindeer (Peary caribou) runs forward with its chest on Ellesmere Island in Canada. This reindeer has dark white and gray fur in the summer. When winter arrives, the gray color of its coat is lighter, turning more white and thicker.