LYCOS RETRIEVER 
Brown Bear: Populations
built 630 days ago
In Europe, the brown bear shared its habitat with other predators such as the Cave lion, Cave hyena and the larger, closely related Cave bear, which the brown bear ultimately outlasted. The cave bear was hunted by Neanderthals who may have had a religion relating to this bear, the Cave Bear Cult, but the Neanderthal population was too small for their consumption of cave bear to result in the species' extinction, and the cave bear outlasted the Neanderthals by 18,000 years, becoming extinct about 10,000 years ago. The cave bear and brown bear diets were similar, and the two species probably lived in the same area at the same time. Why the cave bear died out is not known.
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Without the program of reinforcement (set up in 1996), the brown bear was condemned to an unquestionable disappearance. The program of Europese reinforcement succeeded in making go up the population with about fifteen individuals in 2005.
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Salmon are a critical resource to Kenai brown bears. From the time of salmon arrival in the summer, to the time of den entry in the fall, salmon accounts for 60 percent of the diet of female brown bears (Hilderbrand et al. 2000). During this time period, the average adult female puts on about 140 pounds of body weight, of which about 80 percent is fat (Hilderbrand et al. 2000). This accumulation of nutritional reserves from the salmon resource is critical to population productivity (Hilderbrand et al. 1999).
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Alaska has more than 98 percent of the U.S. population of brown bears. Biologists estimate there are about 30,000 of these big bruins in Alaska. Bears are typically solitary creatures and usually avoid the company of other bears.
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