Endangered Polar Bears

877 Words4 Pages
Endangered Polar Bear Envision a world with an increased water and food scarcity, stronger hurricanes, melting glaciers, wildfires, rising sea levels, heat waves, and catastrophic effects on wildlife. Global warming is when the earth’s temperature heats up which is caused by greenhouse gases such as carbon dioxide, methane, and water vapor that traps heat and light from the sun in the earth’s atmosphere making it hotter than usual. The effect of the high temperatures leads to a decrease in the existence of plants, animals, and humans. Polar bears were listed as endangered species under the United States endangered species act (ESA) in May 2008. Why are polar bears endangered? The polar bear or Ursus Maritimus (sea bear) is the biggest animal in the bear family. The average adult male can weigh between seven hundred to fourteen hundred pounds. An adult female can weigh between three hundred to six hundred sixty pounds. The bear lives in the Northern Hemisphere in the Artic regions of the North America. They can be found in countries such as United States (Alaska), Canada, Russia, Norway, Greenland (Denmark). The bear lives on land and sea ice. They hunt and eat seal, but will also eat other animals such as sea birds, beluga and walrus whales. They will also eat dead animals like fish and whales. A polar bear fur appears to be white but it really is clear hollow tubes that are filled with air. The outside coat of fur protects the undercoat of hair. Polar bears have strong legs with sharp teeth. Their coats camouflage them during hunting it helps them blend in with the snow and ice. The bear characteristic makes them able to survive in such cold weather. Global warming has a tremendous effect on the wellbeing of polar bears and their habitat. Global warming has put on a lot of stress to many parts of the earth. It makes the sea rise, and when this happen
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