Overview: An introduction to animals with wings from birds, to mammals, to insects, and what makes flight possible, and necessary, in the animal world.
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First Air Date: Sep 25, 2004Last Air date: Jul 14, 2014Season: 11 SeasonEpisode: 212 EpisodeRuntime: 30 minutesQuality: HDIMDb: 9.00 / 10 by 1 usersPopularity: 3.784Language: