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Mammals
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Characteristics of Mammals

Mammalian fur as insulation

Mammalian fur as insulation

Polar bears use their fur for warmth. While their skin is black, their transparent fur appears white, providing camouflage while hunting and serving as protection by hiding cubs in the snow.

Source

    Boundless vets and curates high-quality, openly licensed content from around the Internet. This particular resource used the following sources:

    "Ursus maritimus Steve Amstrup."
    http://en.wikipedia.org/wiki/File:Ursus_maritimus_Steve_Amstrup.jpg Wikipedia Public domain.

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