Wild Wonder
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Animal field note

Hidden warmth

The Bear's Black Skin

Under all that white fur, a polar bear's skin is actually jet black.

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A generated scene showing The Bear's Black Skin

Let's look closer

Wonder traits

Animal group
Mammal
Diet
Meat eater
Habitat
Ice & snow
Awake when
Any time
Size
Car-sized
Abilities
Cold survivor

Let's look closer

Why would a snow-white bear hide black skin underneath?

lack skin soaks up the sun's warmth far better than white would, helping a polar bear stay warm on the ice. Each strand of its fur is also hollow and clear, not white at all β€” it just scatters light the way snow does, making the bear look white while its dark skin quietly collects heat underneath.

Look for this

Explorer clue

Watch a video of a polar bear and look closely at its nose and paw pads, two spots where the black skin peeks through the fur.

Your turn to wonder

Curiosity question

What's something about you that looks one way on the outside but is different underneath?

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