Bird Brains

Birds have an undeserved reputation for low brainpower. In fact, they produce one of the most glorious phenomena in nature: birdsong. How do their brains do it? And what does this skill tell us about the evolution of another remarkable phenomenon, human language? (NOVA ScienceNOW – 2010). Writer/Producer/Director: Terri Randall. Editor: Jedd Ehrmann.

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