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The Mexican grizzly bear (Ursus arctos horribilis, formerly Ursus arctos nelsoni) [1] is an extinct population of the grizzly bear in the Southwestern United States and Mexico. The specimen later designated the holotype of U. a. nelsoni was shot by H. A. Cluff at Colonia Garcia, Chihuahua , in 1899. [ 2 ]
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 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 ...
Grizzly bears will be reintroduced to Washington state’s North Cascade mountain range, federal agencies say — a decision that followed years of bitter debate.
Plans announced this week by the National Park Service and U.S. Fish and Wildlife Service call for releasing three to seven bears a year for five to 10 years to achieve an initial population of 25.
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 announced ...
California grizzly bear: Population of the grizzly bear (Ursus arctos horribilis) California Last recorded at Sequoia National Park in 1924. [32] Though once named as the subspecies U. a. californicus, DNA evidence shows that it is not different enough to warrant separate status. [33] Mexican grizzly bear: Population of the grizzly bear (Ursus ...
Grizzly bears are considered a threatened species in the lower 48 states under the federal Endangered Species Act. There are about 2,000 grizzly bears outside of Alaska. In the 19th century, there ...