A natural history portrait of a year in Yellowstone, following the fortunes of America's wildlife icons as they face the challenges of one of the most extraordinary wildernesses on Earth.
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A natural history portrait of a year in Yellowstone, following the fortunes of America's wildlife icons as they face the challenges of one of the most extraordinary wildernesses on Earth.
Broadcast Sat, 29 Aug 2009, 16:00 on BBC HD but not available on BBC iPlayer.
3/3. Elk move down from the mountains and beavers repair their dams in preparation for winter.
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