The unbelievable truth about polar bear fur

Many people still claim that polar bear fur is white or yellow, but the truth is absolutely not.

Many people still claim that their fur is white or yellow but the truth is absolutely not that.

Dare to believe that up to 90% of respondents will be sure the answer is that the polar bear's fur is white. But the truth is not completely true.

According to experts, polar bear fur is not really white. Instead, they have transparent , hollow fur that can be transformed into different colors like gray, blue, yellow .

Because of the transparent and hollow colored fur, when the light shines on, a part of the hair will absorb the light, the other part will disperse, the coat can "change color".

Picture 1 of The unbelievable truth about polar bear fur

Polar bear fur can change color.

Because sunlight is white light, when viewed, we will see that the polar bear's fur is white. But if you have the opportunity to watch polar bears on a cloudy day, you will notice how long your fur has turned gray.

And the secret behind our polar bear yellow fur is the oil on the animal's body . It is this oil layer that makes their fur tinged with yellow.

Picture 2 of The unbelievable truth about polar bear fur

It is this oil layer that makes their fur tinged with yellow.

However, there is another interesting fact that light is not the absolute determinant of the color of bears' fur.

Because polar bears if kept in a zoo can own green fur. The reason is that due to friction on the concrete floor of the zoo, the polar bear's fur is scratched, small holes appear on each hair. This is a condition for algae to live and grow inside these hairs.

Picture 3 of The unbelievable truth about polar bear fur

Hidden behind the thick coat is black skin, very unexpected, isn't it?

If in the Arctic, because the background is too cold, algae cannot exist but in a zoo environment, it is completely different. So, if you see a polar bear on a green coat, don't be too surprised.

But perhaps this is the most interesting fact about polar bears. It is hidden behind that thick coat of black skin.

According to experts, this black skin helps them easily absorb heat from sunlight for heating. Now we know how delicate Mother Nature is!

Update 16 December 2018
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