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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.
The last known California grizzly bear was shot in California in 1922. Museum specimens illustrate that this population was golden-blond overall, typically without the contrasting black fur base of true grizzly bears. It also appeared to have been considerably larger, with a broader muzzle than true grizzly bears. [32]
The California grizzly bear (Ursus arctos californicus [3]), also known as the California golden bear, [4] is an extinct population of the brown bear, [5] generally known (together with other North American brown bear populations) as the grizzly bear. "Grizzly" could have meant "grizzled" – that is, with golden and grey tips of the hair ...
Given the small initial population, the NPS said the bears will largely be unnoticed by humans for the first 10-20 years of repopulation. Officials, however, will monitor the bears with radio collars.
In an effort to revive a famed caribou herd, Alaska has killed as many as 175 grizzly bears, including cubs, along with wolves and black bears.
The last California grizzly bear sighting was in 1924 and no specimens have been seen since. [29] A small brown bear population once lived in the northern parts of Mexico, New Mexico, and Arizona. [30] This population is now extinct as the last known Mexican grizzly bear was shot in 1976. [31]
Once, between 50,000 and 100,000 grizzly roamed throughout this region, but today, fewer than 2,200 grizzly bears remain. Environmental groups express disappointment in restricted protections
[40] [41] The smallest brown bears, females during spring among barren-ground populations, can weigh so little as to roughly match the body mass of males of the smallest living bear species, the sun bear (Helarctos malayanus), while the largest coastal populations attain sizes broadly similar to those of the largest living bear species, the ...