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A grizzly bear sow and her two cubs foraging in a field for wild blueberries. Fruits and berries are indispensable for brown bears in most areas as a high-energy food stuff for bears, which is necessary to survive the hibernation cycle. The variety of fruits consumed is high, with most of the well-known, wild fruiting plants in temperate North ...
For most of the year, it is a usually solitary animal that associates only when mating or raising cubs. Females give birth to an average of one to three cubs that remain with their mother for 1.5 to 4.5 years. It is a long-lived animal, with an average lifespan of 25 years in the wild.
They usually follow her on foot, but sloth bear cubs may ride on their mother's back. [102] [61] Male bears play no role in raising young. Infanticide, where an adult male kills the cubs of another, has been recorded in polar bears, brown bears and American black bears but not in other species. [104] Males kill young to bring the female into ...
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For instance, with many species of bear, the female will often drive a male off soon after mating, and will later guard her cubs from him. It is thought that this may be due to the fact that too many bears close to one another may deplete the food available to the relatively small but growing cubs. Monogamy may be social but rarely genetic.
Bear cubs like this one will stay with their mother for about eighteen months before heading out on their own, but they don’t usually mate themselves until they are three to five years old ...
(Photo credit: North Carolina Wildlife Resources Commission) A bear cub being cared for by Appalachian Wildlife Refuge in North Carolina after it was yanked from a tree for selfies is said to be ...
In September 2007, a hunter produced evidence of one bear in the Selway-Bitterroot Wilderness ecosystem, by killing a male grizzly bear there. [ 46 ] In the North Cascades ecosystem of northern Washington , grizzly bear populations are estimated to be fewer than 20 bears, but there is a longterm management plan to reintroduce the bears to North ...