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Selasa, 09 Maret 2010

Polar Bear

Polar bears or bear-ice or in the scientific name Ursus maritimus is a large mammal in the rules of the clan, family Ursidae biology. He included a circumpolar species found in and around the Arctic and the animal clan's largest land mammal. Polar bears adult males weighing between 400 to 600 kilograms and occasionally exceed 800 kg. Polar Bear female bear about half the weight of male and usually weigh between 200 to 300 kg. Adult male bears along the 240 to 260 centimeters and females bear between 190 to 210 cm. When a new born baby bear weighing 600 to 700 grams.
Polar bears have amazing features that allow them to live in the north pole. Although polar climate, lots of ice and snow storms, because the greatness of God, a thick layer of fat under the skin to protect polar bears from the cold. Thick fur, thick, long and smooth. Have you ever thought why the polar bears with such characteristics do not live in the desert of Africa? Of course the answer is that God created the polar bears in accordance with environmental conditions in which he lives. Just think for a moment! If the polar bears live in the desert, he could not survive in the hot desert climate of one minute.

What makes the polar bear is different from other bears is, he does not like to sleep in the winter. Only the female bears, especially pregnant, will the long sleep in winter. Allah, ar-Razzaq, who always gives rizqi to His creatures, has been providing food for babies newborn bear. Polar bear milk contains so much fat. Milk fat is desperately needed by the baby bear. They grow very fast thanks to this fat milk, and they are ready to get out of the cave in the spring.

Have you ever thought that the polar bear swimmers and divers are great? True! Very good polar bear swim and dive. When swimming, they use the front legs. God has made it easier to live with the ability of polar bears using the legs as oars. . In addition, in the water, they can close the nostrils, and keep open his eyes, and webbed feet, like a duck, making it a good swimmer.

Polar bears live in the coldest regions in the world like the North Pole, Northern Canada and Northern Siberia. But the foot polar bear was never cold. You must not stand when your hand or foot is placed on the ice for several minutes. But incredibly, the polar bears have never felt the cold of ice because the thick fur. God has given this privilege, so they were never cold. If only their skin with human skin, they certainly would not survive at the poles. Moreover, a layer 10 cm thick fat under the skin they become retaining heat. Therefore, in the icy water, they can swim as far as 2000 km with a speed of 10-11 kilometers per hour.

Do you know why polar bears white color or brownish white? If we look at, hard white bear known to exist between the snow-covered rivers and the northern polar ice sheet that stretched thousands of miles. Imagine how difficult they are hiding if his skin color black as a crow or as colorful parrot that lives in tropical forests.

Polar bears have a sense of smell is so sharp that they know the smell of the sea dog hiding under a layer of snow 1.5 m. When hunting, they also use different tactics. Now imagine a polar bear with snow white fur. Do you think someone will easily see if he was facedown in the snow? If you only consider white fur, you must answer "no". But remember that polar bears have black noses. On the white snow, it makes your nose is not perfect disguise. But the polar bear doing something clever to overcome it. He covered his nose with a white front legs. Now a perfect disguise, and he waited for prey to approach.

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