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The polar bear, a marine mammal because of its dependence on sea ice, is listed as threatened under the ESA due to climate change induced threats.
1 de feb. de 2018 · Polar Bears Really Are Starving Because of Global Warming, Study Shows. New science sheds more light on recent controversy over how much the large carnivores are being impacted by melting sea ice ...
The polar bear’s Latin name, Ursus maritimus, means “sea bear.”. It is an apt name for this majestic species, which spends much of its life in, around, or on the ocean — predominantly on sea ice. As sea ice melts, more and more polar bears can be found resting along Arctic coastlines. It is in these areas where their powerful sense of ...
Majestic creature of the far north, the polar bear is the world's largest terrestrial carnivore. Its Latin name, Ursus maritimus, means 'sea bear': an apt name for this amazing species which spends much of its life in, around, or on the water - predominantly on the sea ice.
ホッキョクグマは北極の生活のために体を進化させた。. 保温性の高い毛皮、分厚い脂肪、短い足は、寒冷な気候への適応である。. 泳ぐホッキョクグマ（ドイツの Bremerhaven Zoo ）. じゃれあう二頭のホッキョクグマ. 体長 オス：200–250 cm 、メス：180–200 cm ...
Although polar bear fur appears white, it is actually clear. The hairs are hollow and contain no pigment. Reflection of the sun’s light makes them look white.
The polar bear's footpads have a kind of “non-slip” surface, allowing them to get traction on slippery ice. Polar bears have strong legs and large, flattened feet with some webbing between their toes, which helps with swimming and walking on ice. The wide paws prevent sea ice from breaking by distributing the polar bear's weight as it walks. The webbed feet results in making polar bears ...
