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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 bears will also commonly consume animal matter, which in summer and autumn may regularly be in the form of insects, larvae such as grubs and including beehives.Most insects eaten are of the highly social variety found in colonial nests, which provide a likely greater quantity of food, although they will also tear apart rotten logs on the forest floor, turn over rocks or simply dig in ...
Grizzly bears in the wild have been observed to gnaw on shed moose antlers, which can provide a valuable source of protein, calcium, and phosphorus. [ 3 ] Grizzly bears are at the weakest point into their annual cycle following emergence from hibernation, in terms of lacking mineral and protein nutrition.
Fish are an important source of food for some species, and brown bears in particular gather in large numbers at salmon runs. Typically, a bear plunges into the water and seizes a fish with its jaws or front paws. The preferred parts to eat are the brain and eggs. Small burrowing mammals like rodents may be dug out and eaten. [81] [69]
Bear danger is the risk encountered by humans and their pets or livestock when interacting with bears and the potential of an attack from bears. Although most bears are apex predators in their own habitat, most do not, under normal circumstances, hunt and feed on humans.
Human foods and trash are eaten when possible. When an open garbage dump was kept in Yellowstone, brown bears were one of the most voracious and regular scavengers. The dump was closed after both brown and American black bears came to associate humans with food and lost their natural fear of them. [48]
4. Myth: Black bears have poor eyesight. Bear and human eyesight are very similar. Bears can see in color and have sharp night vision. 5. Myth: Relocating or killing a black bear will solve a conflict
Grizzly bear are brown in color although not all brown bear inhabiting the interior of Alaska, British Columbia, Alberta, the Yukon, and Northwest Territories are grizzlies. Inland grizzlies tend to be much smaller than their coastal relatives. Grizzly bear seasons open in the spring or autumn depending on local regulations and jurisdictions.