Grizzly bear PHOTOS

 
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Grizzly Bear Pictures Showing This Brown Bear Native to North America

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The Grizzly Bear is the name given to the brown bears, Ursus arctos, that inhabit North America. The word "grizzly" refers to the silver grey hairs in its fur, but when naturalist George Ord named them in 1815 he misunderstood the word as "grisly", and added horribilis to the name as a subspecies. The grizzly is now known by scientists to be a true brown bear and not a subspecies so the correct name for the species is brown bear, but only coastal bears in Alaska and Canada are commonly called this, while inland bears and those found in the lower 48 states are called grizzly bears. The scientific names Ursus arctos, and Ursus arctos horribilis, are both considered normal usage.

Brown bears are widespread throughout the northern hemisphere, in North America, Europe and Asia. Grizzly bears live in the cool mountain forests, meadows and river valleys of North America. The males grow up to seven feet and weigh up to 800 pounds, with the females growing up to five feet and weighing up to 500 pounds. They have thick dense fur that ranges in color from almost black to almost blond, and adult bears have the characteristic silver grey guard hairs that gives them their grizzled look. They have a large head with a long muzzle, and a large hump of muscles on their shoulder that make their front legs extremely powerful. Like all bears they are flat footed (plantigrade), can stand on their hind legs to reach or see better, but walk on all fours in a swinging side to side motion. Their front claws are twice as long as their back claws, up to five inches long, which helps them with digging and catching prey.

Grizzly bears are mostly nocturnal, and sleep in dens in the winter in a form of false hibernation, but they can easily be awakened and will leave the den during the winter. They tend to be solitary, except for mothers with cubs, but will congregate peacefully at prime fishing spots to gorge on salmon, building up a store of fat to get them through the winter. Other foods are plants, roots, berries, large insects, carrion, and large and small mammals. They are powerful and voracious hunters and in some areas will eat moose and elk.

Grizzlies are listed as a threatened species by the Endangered Species Act. They once roamed most of western North America, with a population estimated at over 50,000 individuals, but settlers hunted them out of their habitat and today only around 1000 bears remain in the lower 48 states, where they are protected by law. The biggest threat is man in the form of loss of habitat for logging, road building, and mineral exploration. They also are attracted to garbage humans create, especially in campgrounds, which can cause conflicts, most of which lead to the killing of the bear. Some are shot in mistake for black bears, which are still legal for people to kill, and some are illegally poached. In Alaska and Canada they are classified as a “game animal” and considered trophies by “big game hunters”.

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Picture of a grizzly bear, Ursus arctos, Ursus arctos horribilis, with chum salmon, Oncorhynchus keta, Swindle Island, British Columbia, Canada

Picture #: 109667

Image of a grizzly bear, Ursus arctos, Ursus arctos horribilis, catching fish, McNeil River Sanctuary, Alaska

Picture #: 019676

Stock photo of a grizzly bear, Ursus arctos, Ursus arctos horribilis, resting on a log, McNeil River Sanctuary, Alaska

Picture #: 019691

Picture of a grizzly bear, Ursus arctos, Ursus arctos horribilis, standing in water, McNeil River Sanctuary, Alaska

Picture #: 019704

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Picture of a grizzly bear, Ursus arctos, Ursus arctos horribilis, cub jumping into a stream along east coast of Katmai National Park on the Alaskan peninsula

Picture #: 021501

Image of a grizzly bear, Ursus arctos, Ursus arctos horribilis, in water along east coast of Katmai National Park on the Alaskan peninsula

Picture #: 021534

Stock photo of a grizzly bear, Ursus arctos, Ursus arctos horribilis, sow with cubs along east coast of Katmai National Park on the Alaskan peninsula

Picture #: 021512

Picture of a grizzly bear, Ursus arctos, Ursus arctos horribilis, sow with cub eating tall grasses along east coast of Katmai National Park on the Alaskan peninsula

Picture #: 021519

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Picture of a grizzly bear, Ursus arctos, Ursus arctos horribilis, cub trying to take a salmon from its mother, east coast of Katmai National Park on the Alaskan Peninsula

Picture #: 021523

Image of a grizzly bear, Ursus arctos, Ursus arctos horribilis, walking in a riverbed looking for pink salmon, east coast of Katmai National Park on the Alaskan peninsula

Picture #: 021528

Stock photo of a grizzly bear, Ursus arctos, Ursus arctos horribilis, catching salmon at waterfall, Katmai National Park, Alaska, Pacific

Picture #: 092058

Picture of a grizzly bear, Ursus arctos, Ursus arctos horribilis, cub along east coast of Katmai National Park on the Alaskan peninsula

Picture #: 021530

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Picture of a grizzly bear, Ursus arctos, Ursus arctos horribilis, fishing for pink salmon along east coast of Katmai National Park on the Alaskan peninsula

Picture #: 021531

Image of a grizzly bear, Ursus arctos, Ursus arctos horribilis, eating tall grasses along east coast of Katmai National Park on the Alaskan peninsula

Picture #: 021535

Stock photo of a grizzly bear, Ursus arctos, Ursus arctos horribilis, wading in a river along east coast of Katmai National Park on the Alaskan peninsula

Picture #: 021537

Picture of a grizzly bear, Ursus arctos, Ursus arctos horribilis, rare blond ( white ) bear along east coast of Katmai National Park on the Alaskan peninsula

Picture #: 021557

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Picture of a grizzly bear, Ursus arctos, Ursus arctos horribilis, cub in truck bed in Prudhoe Bay, North Slope of the Brooks Range, central Arctic coast of Alaska

Picture #: 021565

Image of a grizzly bear, Ursus arctos, Ursus arctos horribilis, feeding in the North Slope of the Brooks Range, central Arctic coast of Alaska

Picture #: 021568

Stock photo of a grizzly bear, Ursus arctos, Ursus arctos horribilis, sow and cubs climbing into a dumpster looking for food in Prudhoe Bay, the North Slope of the Brooks Range, central Arctic coast of Alaska

Picture #: 021576

Picture of a grizzly bear, Ursus arctos, Ursus arctos horribilis, sow with cubs sitting along a river looking for pink salmon, east coast of Katmai National Park on the Alaskan peninsula

Picture #: 021515

 

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