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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).
Rank Common name Scientific name Family Image Average mass (kg) Maximum mass (kg) Average length (m) Maximum length (m) Shoulder height (m) Native range
USA, Wales, Alaska — Myomick was attacked and killed by a polar bear in the small village of Wales, Alaska. The attack happened at 2:30 pm. The polar bear had chased several residents of the community, before it killed the woman and her 1-year-old son. The bear was shot and killed by a local resident as it attacked the pair. [46] [47]
Bears may act aggressively toward humans even when they are not hungry, protecting a kill, or protecting their young. Most fatal attacks by black bears have been judged as predatory. Bear researcher Stephen Herrero determined that in black bear attacks, the bear acted as a predator in 88 percent of fatal incidents. [7] [8]
The Alaskan subspecies of moose (Alces alces gigas) is the largest in the world; adult males weigh 1,200 to 1,600 pounds (542–725 kg), and adult females weigh 800 to 1,300 pounds (364–591 kg) [17] Alaska's substantial moose population is controlled by predators such as bears and wolves, which prey mainly on vulnerable calves, as well as by ...
A drum or barrel trap used to safely relocate bears parked adjacent to a building in Grand Teton National Park in Wyoming, United States. The U.S. National Park service emphasizes keeping a distance from the bear and making noise to avoid startling a bear as the best ways to avoid a bear attack. [2]
[a] The polar bear is considered to be the largest extant species, [42] with adult males weighing 350–700 kg (770–1,540 lb) and measuring 2.4–3 m (7 ft 10 in – 9 ft 10 in) in total length. [43] The smallest species is the sun bear, which ranges 25–65 kg (55–143 lb) in weight and 100–140 cm (39–55 in) in length. [44]
As an example of related species with differing diets, even though they diverged only 150,000 years ago, [7] the polar bear is the most highly carnivorous bear (more than 90% of its diet is meat) while the grizzly bear is one of the least carnivorous in many locales, with less than 10% of its diet being meat. [8] [9] [10]