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The polar bear (Ursus maritimus) is a large bear native to the Arctic and nearby areas. It is closely related to the brown bear, and the two species can interbreed.The polar bear is the largest extant species of bear and land carnivore, with adult males weighing 300–800 kg (660–1,760 lb).
Traditional subsistence hunting was on a small enough scale to not significantly affect polar bear populations, mostly because of the sparseness of the human population in polar bear habitat. [32] In the first half of the 20th century, mechanized and overpoweringly efficient methods of hunting and trapping came into use in North America as well.
Weights range greatly from the sun bear, which can be as low as 35 kg (77 lb), to the polar bear, which can be as high as 726 kg (1,600 lb). Population sizes vary, with six species classified as vulnerable with populations as low as 500, while the brown bear has a population of over 100,000 and the American black bear around 800,000
800-290-4726 more ways to reach us. Sign in. Mail. 24/7 Help. For premium support please call: ... There are 20 known sub-populations of polar bears across the Arctic. This is one of the most ...
According to the WWF, 60 to 80 percent of the world's polar bears reside there and it's the only country where the population of polar bears is actively declining. That said, conservationists ...
But with the deepest part of winter upon us, not all bears are ... Do polar bears hibernate? ... State wildlife officials estimate the state's black bear population has remained stable for the ...
The 1958 Statehood Act set up a program for polar bear management, and further conservation efforts, including the 1972 Marine Mammal Protection Act, have limited polar bear hunts. [10] Polar bear populations may be threatened by oil development and global warming. [10] [11] Only about 4700 polar bears are known to inhabit Alaska. [12]
The Agreement on the Conservation of Polar Bears is a multilateral treaty signed in Oslo, November 15, 1973, by the five nations with the largest polar bear populations: Canada, Denmark (), Norway (), the United States, and the Soviet Union. [1]