Kamis, 18 Oktober 2012

Grizzly Bear


The Biggest Animals Kingdom and in The World | Grizzly Bear | More leads adult women with a weight of 130-200 kg (290-440 lb), while adult males with an average weight of 180-360 kg (400-790 lb). Bears babies can weigh less than 500 grams (1.1 kg). In the Yukon River area, mature female bears may weigh less than 100 kg (220 lb). Although variable from blond to nearly black, grizzly bear fur is typically brown in color with white tips. A pronounced hump appears on their shoulders, the hump is a good way to distinguish a black bear from a grizzly bear, bears, blacks do not have this hump. Grizzly bears have one of the lowest reproductive rates of all terrestrial mammals in North America.  Grizzly bears do not reach sexual maturity until they are at least five years old.

The bear uses its keen sense of smell to locate prey. Such as wolves and bears fight to kill a wolf may try to distract the bear while feeding others. The bear then may retaliate by chasing wolves. A carcass is usually just not worth the risk to the wolves (if the bear has the advantage because of the strength and size) or the bear (if the wolves are too numerous or persistent). Black door generally stay out of grizzly territory, but the bears occasionally enter black bear terrain to food sources two bears enjoy, such as pine nuts, acorns, berries and mushrooms to obtain. If a black bear a bear, or turns tail and runs or climbs a tree. Black bears are not strong competition for prey because they have a more herbivorous diet. The collisions are rare due to differences in size, habitats and diets species bears. When this happens, usually with the bear are the aggressor. The black bear will only fight when it comes to bear a child for a year or when the black bear has no choice but to defend themselves.

The segregation of the black bear and grizzly bear populations may be the result of competitive exclusion. In some areas, grizzly bears outcompete black door for the same resources. For example, many islands off the Pacific coast of British Columbia and Alaska support either the black bear and the bear, but rarely both. Grizzly bears tend to old forests with high productivity, higher elevations and more open environments than bears black market. Cougars generally give away the bears. Grizzlies have less competition with cougars than with other predators such as coyotes, wolves, bears and other. When a grizzly descends on a cougar feeding on its kill, the cougar usually gives the bear. All three will try everything possible to Bears clean.

Aggressive behavior in grizzly bears is favored by numerous selection variables. Unlike the smaller black bears, adult bears are too large to escape danger by climbing trees, so to respond to the danger of leaving their country and their abusers. Increased aggressiveness also assists female bears in better ensuring the survival of their young reproductive age. Historically, bears compete with other large predators for food, which also favors increased aggression. Grizzly door normally avoid contact with people. Most grizzly bear attacks result from a bear that has been surprised at very close range, especially if you have a supply of food to protect, or bears protecting their cubs. In such situations, the property will be damaged and the bear may physically harm humans. Compounding this is the fact that intensive human use of grizzly habitat coincides with the seasonal movement of grizzly bears. 

Increased human-bear interactions, the "problem", which bears that have adapted to human activities or habitat. For back-country campers, hanging food between trees at a height unreachable to bears is a common procedure, although some bears can climb and reach hanging food in other ways.
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