Arctic animals have developed amazing adaptations to be able to survive in the tundra. The arctic fox has fur that changes from brown to white in September.
Three Japanese macaques -- also known as snow monkeys -- take a relaxing soak in Jigokudani, Japan.
A deer doesn't seem to mind the snowfall as it munches vegetation. Young deer are covered with white spots that disappear, in most species, when a new coat of fur is grown.
Snow leopards are found in the mountains of Central Asia. Fun fact: The snow Leopard is Packistan's "national predator." Keep your head on a swivel, bharals.
Polar bear cubs emerge for the first time from their den.
Barn owls can pinpoint and capture prey without even being able to see it. They've been documented to catch prey with absolutely no light at all using nothing but their hearing.
A young emperor penguin chick explores the sea ice all by itself, with a large iceberg in the background.
This llama seems to think an abandoned school bus would make a good shelter, as snow falls in Centreville, Va.
The fur of the ermine, a species of weasel, is partly brown in summer. It turns completely white in winter.
Ermine fur is valuable and was once reserved for royalty. As a symbol of purity and honor, the fur was used to line the robes of judges.
A snowshoe hare's large feet allow them to get around in several feet of the snow without sinking. The hare's coat turns from brown to white, providing excellent camouflage in North American winters.