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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.
MacFarlane's Bear, an abnormal-looking grizzly bear killed by Inuit hunters in 1864 and initially believed to represent a new species. Later examination determined it to be a grizzly bear. Old Ephraim (also called "Old Three Toes" due to a deformed foot), a male grizzly bear, was a very large bear who roamed the Cache National Forest c. 1911 ...
A single F1 female was the mother of all four backcross individuals, and a single female polar bear was the mother of all four F1s, and thus the grandmother of all four backcross bears. Two male grizzlies mated with the female polar bear to give rise to the four F1s, with one grizzly bear apparently mating with the polar bear in two different ...
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
Grizzly 399 (1996 – October 22, 2024) [1] was a grizzly bear living in Grand Teton National Park and Bridger-Teton National Forest in Wyoming, United States. [2] She was followed by as many as 40 wildlife photographers, [ 3 ] [ 4 ] and millions of tourists came to the Greater Yellowstone Ecosystem to see her and other grizzly bears.
Grizzly bears will be reintroduced to Washington state’s North Cascade mountain range, federal agencies say — a decision that followed years of bitter debate.
While male bears potentially live longer in captivity, female grizzly bears have a greater annual survival rate than males within wild populations, per a study done in the Greater Yellowstone Ecosystem. [137] Annual mortality for bears of any age is estimated at 10% in most protected areas. [55]
Grizzly bears roamed the North Cascades of Washington for thousands of years but have disappeared more recently. This week, the National Park Service and the U.S. Fish & Wildlife Service ...