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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).
Articles relating to the polar bear (Ursus maritimus), a hypercarnivorous species of bear. Its native range lies largely within the Arctic Circle , encompassing the Arctic Ocean and its surrounding seas and landmasses, which includes the northernmost regions of North America and Eurasia .
Taylor has published over 5150 scientific papers on polar-bear-related topics, and he has worked in the field on most of the world's polar bear populations. He was a coauthor of the 2008 Committee on the Status of Endangered Wildlife in Canada (COSEWIC) Assessment and Update Status Report for polar bears. From 2004 to 2008, he was also manager ...
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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]
Except for the brown bear (Ursus arctos) and the American black bear (U. americanus), the other six of bear species are threatened according to the IUCN Red List, including: the giant panda (Ailuropoda melanoleuca) the polar bear (U. maritimus) the spectacled bear (Tremarctos ornatus) the Asiatic black bear (U. thibetanus) the sloth bear ...
The key danger for polar bears posed by the effects of climate change is malnutrition or starvation due to habitat loss.Polar bears hunt seals from a platform of sea ice. Rising temperatures cause the sea ice to melt earlier in the year, driving the bears to shore before they have built sufficient fat reserves to survive the period of scarce food in the late summer and early fall.
Called the "I Turn Polar Bears White" riddle, it presents a series of cryptic statements that don't seem to make sense at first glance. Take a closer look at this perplexing puzzle and see if you ...
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