Polar bears biography definition
Polar bear - Wikipedia
Polar bear
This article is about the animal. For other uses, see Polar Bear (disambiguation)
The polar bear (Ursus maritimus) is a large bear which lives in the Arctic.[3] It has black skin under the white fur. They are strong and fast, and can run as fast as 25 miles (40 km) an hour for a short distance.[4][5]
In 2022, there were around 22,000 polar bears in the world.[6] There is an extinct subspecies called Ursus maritimus tyrannus.
Appearance
[change | change source]Polar bear fur is made up of a layer of dense underfur and an outer layer of "guard hairs", which appear white to tan but are actually translucent.
polar bears biography definition3
The fur keeps them very warm. The skin is not white; it is black. Therefore, they can absorb sunlight efficiently.[7] They are strong and can swim very well. Polar bears are similar in size to a normal bear but have a slimmer neck, longer legs and fur to keep them warm.