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Body size. Skull & dentition. Front limbs. Of all the morphologic features that typify bears, the front limbs and associated skeletal infrastructure are the most distinctive. They are also diagnostic of the bear life strategy (see Life strategy ).
The grizzly bear (Ursus arctos horribilis), also known as the North American brown bear or simply grizzly, is a population or subspecies 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.
Third, bears have exceedingly strong front quarters that manifest in a scapula and bones of the front limb that are robust even accounting for their size. These powerful front quarters facilitate a life of climbing, digging, or grappling with large prey.
Grizzly bears have a robust and powerful bone structure that supports their large body size and strength. Grizzly Bears' Skeletal Adaptations. Grizzly bears belong to the Ursidae family and share common skeletal features with other bear species.
Females give birth during this winter rest, often to twins. Grizzly bears are powerful, top-of-the-food-chain predators, yet much of their diet consists of nuts, berries, fruit, leaves, and roots ...
Grizzly bears are large and range in color from very light tan (almost white) to dark brown. They have a dished face, short, rounded ears, and a large shoulder hump. The hump is where a mass of muscles attach to the bear’s backbone and give the bear additional strength for digging.
The grizzly bear is a member of the brown bear species ( U. arctos) but the subspecies U. a. horribilis is only found in North America. Grizzly bears are generally larger and more heavily built than other bear species. Grizzly bears can be distinguished from black bears by longer, curved claws, humped shoulders, and a face that appears concave.
