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Science + Tech

October 24, 2020 - Norwich Evening News

Polar bears in Norway: All you need to know

Polar bears in Norway: All you need to know
Polar Bear© Photabulous!

Polar bears (Ursus maritimus) are the largest bear species on Earth.

Polar bears are also the only member of the bear family (Ursidae) classified as marine animals; due to their heavy reliance on the ocean for both habitat and food. Swimming at speeds up to ten kilometers per hour, polar bears can move for days at a time as they travel from one ice sheet to another. Polar bears use their large paws (which are slightly webbed) as paddles to propel themselves through the water.

As protection from the cold, polar bears have extra body fat – and they can weigh as much as ten humans! Female polar bears reach up to 400 kilograms, while males weigh up to 800 kilograms. Polar bears can be up to three meters long – but their tails are tiny; growing between seven and 12 centimeters in length.

Another protection against the cold is their furry coat, which is water repellant – but isn’t white. Though polar bears appear to be white, their fur is, in fact, translucent and their skin is ink black, which helps them soak up as much sun as possible.

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Norwich Evening News

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