Polar bears(Ursus Maritimus) live only in the northern Arctic where they spend most of their time on ice floes. It is the world's largest land carnivore. They are well suited to the cold Arctic ice and snow. Life in the Arctic is harsh. The bears live in total darkness between October and February, where the temperature can drop as low as –50° F (–45°C) in winter. And that's exactly how they like it. The polar bear has many unique adaptations for dealing with the Arctic cold.
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http://www.wonderwhizkids.com/index.php/polar-bears
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http://www.wonderwhizkids.com/index.php/polar-bears
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