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).Premiere Date: February 13, 2013 | Runtime: 00:00:30
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NATURE brings the beauty and wonder of the natural world into your home, becoming in the process the benchmark of natural history programs.