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The Polar Bear - Online Term Paper

The Polar Bear


Ursus maritimus, commonly known as , is quite an amazing animal. is of the order Carnivora and of the family Ursidae. Polar bears live in the extremely cold regions of the Arctic and in Tundra. They range from Alaska to Siberia, and have been found as far as 720 miles south of the Arctic Circle. is quite huge. They can be as tall as 8.25 feet when on all four feet, or 12 feet when standing on their hind legs and weighs up to 1,764 pounds. is carnivorous and can be very ferocious when necessary, but is about the most gentle bear of all. Living in such a harsh climate and being strictly a meat-eater has molded into an incredible mammal with many special features.
MOVEMENT
Since ...

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heat and to grip the ice and provide better traction. Polar bears are fast movers. When on uneven ice the bear will “trot”, moving its legs on opposite sides in unison. It can trot at 12 to 18 miles per hour. When it is running, it can reach speeds of up to 35 miles per hour. The bear can travel around 50 miles on an average day.
The polar bear is also an expert swimmer. The bear has a long neck with a small head which help it to be more streamlined when it is in the water. It also has partially webbed feet which help it to paddle through the frozen waters. When swimming, the polar bear propels itself with its front paws and steers with its hind paws. While it is in the water the polar bear keeps its eyes open, its ears flattened to the side of its head, and its nostrils shut off. When the bear is in water it can swim at around 3 to 6 miles per hour and can travel up to 100 miles nonstop as long as it surfaces for air every couple of minutes.

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it through the ice. Normally this will break most of the bones in the seals body. When the polar bear is going to hunt underwater, it will lower itself in without even making the water ripple. Then it glides through the water slowly advancing on its prey until the final lethal rush. Sometimes when a polar bear is on the edge of the water waiting to jump in and attack its prey, it will hold its nose so the seals will not see its familiar black nose.
Once the polar bear has caught its seal, it will usually eat just the skin and blubber. The bear will eat very quickly, eating large chunks and not even chewing for about half an hour. It does this so no other animals will come and ...

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PAPER DETAILS
Added: 3/15/2007 12:24:11 AM
Category: Science & Nature
Type: Premium Paper
Words: 1548
Pages: 6

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