Arctic foxes change their fur color depending on the season (this one is in winter clothes). They have dark-colored skin underneath their fur coats.
Woolly mammoths roamed the cold tundra of Europe, Asia, and North America from about 300,000 years ago up until about 10,000 years ago, apart from the ones surviving longer on Wrangel Island (Russia).
The polar bear is a white bear inhabiting the Arctic region. With the Kodiak bear (brown bear), it holds the title of the largest and most powerful carnivore on land. It has no natural predators and is unafraid of humans making it an exceptionally dangerous creature.