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Most bears are 1.2–2 m (4–7 ft) long, plus a 3–20 cm (1–8 in) tail, though the polar bear is 2.2–2.44 m (7–8 ft) long, and some subspecies of brown bear can be up to 2.8 m (9 ft). 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).
The brown bear (Ursus arctos) is a large bear native to Eurasia and North America. Of the carnivorans, it is rivaled in size only by its closest relative, the polar bear, which is much less variable in size and slightly bigger on average. The brown bear is a sexually dimorphic species, as adult males are larger and more compactly built than ...
Ursus is a genus in the family Ursidae that includes the widely distributed brown bear, [3] the polar bear, [4] the American black bear, and the Asian black bear. The name is derived from the Latin ursus , meaning bear .
The English word "bear" comes from Old English bera and belongs to a family of names for the bear in Germanic languages, such as Swedish björn, also used as a first name.. This form is conventionally said to be related to a Proto-Indo-European word for "brown", so that "bear" would mean "the brown on
Ursoidea is a superfamily of arctoid carnivoran mammals that includes the families Subparictidae, [1] [2] Amphicynodontidae, [3] [2] and Ursidae.The last family includes the extant lineages of bears, as well as the extinct Hemicyoninae [4] [5] and Ursavinae.
The grizzly bear (Ursus arctos horribilis), also known as the North American brown bear or simply grizzly, is a population or subspecies [4] of the brown bear inhabiting North America. In addition to the mainland grizzly ( Ursus arctos horribilis ), other morphological forms of brown bear in North America are sometimes identified as grizzly bears.
Brown bear size, most often measured in body mass, is highly variable and is correlated to extent of food access. Therefore, bears whose range in areas with access to openings, cover, and moisture or water are on average larger, whereas those bears that range into enclosed forested areas or arid, sparsely vegetated regions, both of which tend to be suboptimal foraging habitat for brown bears ...
The ABC Islands bear or Sitka brown bear (Ursus arctos sitkensis) is a subspecies or population of brown bear that resides in Southeast Alaska and is found on Admiralty Island, Baranof Island, and Chichagof Island in Alaska (colloquially known as the ABC Islands), and a part of the Alexander Archipelago.