A narwhal has a long spiral tusk, like a unicorn of the sea.
The tusk is really a very long tooth. Narwhals swim in the cold water of the arctic ocean.
More facts about Arctic Animals
The arctic fox turns brown in summer and white in winter.
Reindeer hooves change with the seasons to help them walk on snow.
A walrus uses its long tusks to help pull itself out of the water.
The snowy owl has feathers on its feet, like warm little boots.
The polar bear is the biggest bear that walks the earth today.