Wild
Yellowstone Battleground: Grizzly Cauldron (2009x4)
Udgivelsesdato: Apr 18, 2009
Grizzlies once reigned unchallenged as the top predators of Yellowstone, but everything changed when an old rival returned to the landscape. After almost a century without them, wolves were reintroduced to Yellowstone and again play a vital role in the ecosystem that depends upon them. Once the sole rulers of this vast kingdom, grizzly bears are now re-learning how to cope with the rise of an equal competitor.
- Premieret: Jan 2006
- Afsnit: 221
- Følgere: 3
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- National Geographic
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