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Bears are carnivoran mammals of the family Ursidae (/ ˈ ɜːr s ɪ d iː,-d aɪ /).They are classified as caniforms, or doglike carnivorans.Although only eight species of bears are extant, they are widespread, appearing in a wide variety of habitats throughout most of the Northern Hemisphere and partially in the Southern Hemisphere.
[4] [9] Because of its adaptations to a marine environment, some taxonomists, such as Theodore Knottnerus-Meyer, have placed the polar bear in its own genus, Thalarctos. [10] [11] However Ursus is widely considered to be the valid genus for the species on the basis of the fossil record and the fact that it can breed with the brown bear. [11] [12]
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 ...
The adaptation to woodlands and thick vegetation in this species may have originally been because the bear evolved alongside larger, more aggressive bear species, such as the extinct giant short-faced bear and the grizzly bear, that monopolized more open habitats [41] and the historic presence of larger predators, such as Smilodon and the ...
Grizzly bears normally avoid contact with people. In spite of their obvious physical advantage they rarely actively hunt humans. [136] Most grizzly bear attacks result from a bear that has been surprised at very close range, especially if it has a supply of food to protect, or female grizzlies protecting their offspring. [137]
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 .
Korean National Park Service announced on April 15, 2018, that eight mother bears gave birth to 11 cubs. Six mother bears living in the wild gave birth to eight cubs. Two mothers that were being taken care by the nature adaptation training center in Gurye, South Jeolla Province gave birth to three cubs. Now, there are 56 Asian black bears ...
It is also called the European brown bear, common brown bear, common bear, and colloquially by many other names. The genetic diversity of present-day brown bears ( Ursus arctos ) has been extensively studied over the years and appears to be geographically structured into five main clades based upon analysis of the mtDNA .