Nature's Parka: How the Caribou have Adapted to Life in the Arctic
Located at 65 ° latitude, -94° longitude.
- The body of the caribou is completely covered in a thick coat of hollow guard hairs and fine crinkly underfur. The air cells in the hollow hair act as an insulating layer to keep in the body heat. Even the muzzle and the tail are fully furred.
- The hooves are very large and wide like snowshoes, which help support the caribou when walking in the snow. As additional protection in the winter, the edges of the toes grow longer to make a horny rim to walk on instead of the soft fleshy pad of the hoof. The pads shrink, and hair between the toes grows longer to cover them. These sharp-edged large hooves are also good for digging through the deep snow to find food.