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Nature | Dogs That Changed the World (Part 1) - Preview

Dogs That Changed the World (Part 1) - Preview

Dogs' roles as guard, hunter, herder, hauler and spiritual protector, as well as current theories about the wolf's evolutionary leap. 10/5/2011

Premiere Date: October 5, 2011 | Runtime: 00:00:30

Season Season 37

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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.