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Young animals face new challenges as winter envelopes the Rocky Mountains, and spring means the end of childhood. A grizzly mom prepares her cubs for hibernation, a mountain lion raises her kittens and a bison calf must learn to survive the snow.
For more than a quarter-century, NATURE has brought the beauty and wonder of the natural world into American homes, becoming in the process the benchmark of natural history programs on television. Watch Wednesdays, 8/7c.
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