Arctic hare - These striking creatures can be found in Arctic regions of Alaska, Canada and Greenland. In the winter months, the Arctic hare's coat turns white, allowing it to blend in with the snow, but in the summer, the coat is generally a a gray-brown color.
Tundras are among Earth's coldest, harshest biomes. Tundra ecosystems are treeless regions found in the Arctic and on the tops of mountains, where the climate is cold and windy and rainfall is scant. Tundra lands are snow-covered for much of the year, until summer brings a burst of wildflowers.