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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).
The Soviet Union banned the harvest of polar bears in 1956; however, poaching continued, and is estimated to pose a serious threat to the polar bear population. [55] In recent years, polar bears have approached coastal villages in Chukotka more frequently due to the shrinking of the sea ice, endangering humans and raising concerns that illegal ...
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]
But even with those practices in place, scientists are still worried about polar bear populations, particularly in Canada. According to the WWF, 60 to 80 percent of the world's polar bears reside ...
There are 20 known sub-populations of polar bears across the Arctic. This is one of the most southerly and best studied. "They're our fat, white, hairy canaries in the coal mine," Alyssa explains ...
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.
According to the museum, Svalbard is home to one of the 19 global populations of polar bears, with approximately 300 bears residing in the area. However, due to global warming, the bear's habitat ...
Churchill is a subarctic port town in northern Manitoba, Canada, on the west shore of Hudson Bay, roughly 140 km (87 mi) from the Manitoba–Nunavut border. It is most famous for the many polar bears that move toward the shore from inland in the autumn, leading to the nickname "Polar Bear Capital of the World" and to the benefit of its burgeoning tourism industry.