Photo of a polar bear in Kaktovik, Alaska. Photo by Anita Ritenour of Flickr.com. This photo is licensed under the Creative Commons Attribution License.
Polar Bear Fun Fact: A fun fact about polar bears is that their fur isn’t actually white—it’s transparent! Each hair is a hollow, colorless tube that reflects visible light, giving them their white appearance, which helps with camouflage in the snow. Beneath that fur, their skin is black, which helps absorb and retain heat from the sun to keep them warm in the freezing Arctic temperatures.
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