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The Kodiak bear is much like other brown bears in intelligence, although its tendency to feed in large dense groups leads to more complex social behaviors. Kodiak bears are generally solitary in nature; however, when food is concentrated in small areas, such as along salmon spawning streams, grass/sedge flats, berry patches, a dead whale, or ...
Increased brain size in large carnivores has been positively linked to whether a given species is solitary, as is the brown bear, or raises their offspring communally, thus female brown bears have relatively large, well-developed brains, presumably key in teaching behavior. [111]
The grizzly bear (Ursus arctos horribilis), also known as the North American brown bear or simply grizzly, is a population or subspecies [3] 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.
Predatory behavior in bears is typically taught to the young by the mother. [81] Bears are prolific scavengers and kleptoparasites, stealing food caches from rodents, and carcasses from other predators. [55] [86] For hibernating species, weight gain is important as it provides nourishment during winter dormancy. A brown bear can eat 41 kg (90 ...
Years active. 1990–2003. Timothy Treadwell (born Timothy William Dexter; April 29, 1957 – October 5, 2003) was an American bear enthusiast, environmentalist, documentary filmmaker, and founder of the bear-protection organization Grizzly People. He lived among coastal brown bears (Ursus arctos horribilis) in Katmai National Park, Alaska, for ...
Ussuri brown bear. The Ussuri brown bear (Ursus arctos lasiotus), also known as the Ezo brown bear, Russian grizzly bear, or the black grizzly bear, [3] is a subspecies of the brown bear or a population of the Eurasian brown bear (U. a. arctos). [which?] One of the largest brown bears, a very large Ussuri brown bear may approach the Kodiak bear ...
Considering pinnipeds [73] and polar bears [74] [44] [75] to be marine mammals, the Kodiak bear is the largest [76] [77] of the living land-based mammalian predators. The largest subspecies are the Kodiak bear (U. a. middendorffi) and the questionably-distinct peninsular giant bear or coastal brown bear (U. a. gyas).
Alaska Peninsula brown bears are among the largest types of brown bear in the world. They usually measure 8 ft (2.4 m) in length, usually have a shoulder height of about 4 to 4 1/2 ft or 1.22 to 1.37 meters (137 cm), and a hindfoot length of 11 in (28 cm). One study found that the average weight for a coastal male was around 408 kg (899 lb ...