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Cold Warriors: Wolves and Buffalo Preview
In Canada's vast plains, the biggest buffalo and wolves in the world do battle. Here, one wolf pack struggle to maintain the family business: bringing down buffalo. "Cold Warriors" airs Wednesday, February 13 at 8 PM (check local listings).
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54:19
Researchers and filmmakers produce the first comprehensive film chronicle of the jaguar.
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55:02
The walls of ice in Glacier Bay surround the most beautiful sights Alaska has to offer.
