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A grizzly bear can also be identified by its rump, which is lower than its shoulders; a black bear's rump is higher than its shoulders. [33] A grizzly bear's front claws measure about 51–102 mm (2–4 in) in length; a black bear's claws measure about 25–51 mm (1–2 in) in length. [33]
A gradual diminishment in body size is noted in grizzly bears from the sub-Arctic zone, from the Brooks Range to the Mackenzie Mountains, presumably because food becomes much sparser in such regions, although perhaps the most northerly recorded grizzly bears ever, in the Northwest Territories, was a large and healthy male weighing 320 kg (710 ...
Its weight was estimated at 725 to 771 kg (1,598 to 1,700 lb). This bear just came out of hibernation and carried little or no fat; that means the animal would have weighed around 839 kg (1,850 lb) at the end of the summer. [13] Although variable from blonde to nearly black, grizzly bear fur is typically brown in color with white tips. [14]
While male bears potentially live longer in captivity, female grizzly bears have a greater annual survival rate than males within wild populations, per a study done in the Greater Yellowstone Ecosystem. [137] Annual mortality for bears of any age is estimated at 10% in most protected areas. [55]
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
A full-grown male weighs on average between 350 and 500 kg and reaches a maximum weight of 650 kg and length of nearly 2.5 m (8.2 ft). Females typically range between 150 and 300 kg and reach a maximum weight of 450 kg . [ 5 ]
Bears of northern regions, including the American black bear and the grizzly bear, hibernate in the winter. [ 110 ] [ 111 ] During hibernation, the bear's metabolism slows down, its body temperature decreases slightly, and its heart rate slows from a normal value of 55 to just 9 beats per minute. [ 112 ]
Of course, "Grizzlies" already had some history in Memphis, being the unofficial but well-liked and oft-used nickname of the Memphis Southmen, the World Football League team that operated here in ...