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The world's most aggressive bird creates sound out of thin air with the world's fastest courtship display; in a South American jungle, bats and moths fight for the upper hand in one of the world's oldest arms races; and a giant flock of half a million birds avoids colliding in the same air space.
First Air Date : Apr 03, 2016
Last Air date : Apr 17, 2016
Episode : 3 Episode
Season : 1 Season
Runtime: 60 minutes
Studio: BBC One
Country: United Kingdom
Cast: Suranne Jones
