Overview: In the ice age, the dire wolf was larger and more powerful than any modern-day wolf. Why did it vanish while the smaller, weaker gray wolf survived?
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First Air Date: Aug 19, 2007Last Air date: Oct 12, 2009Season: 1 SeasonEpisode: 7 EpisodeRuntime: 60 minutesQuality: HDIMDb: 7.50 / 10 by 2 usersPopularity: 2.114Language: English