Watch Online | Nova: Bird Brain

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S44 Ep20: Bird Brain

Aired: 2017-12-20 12:00:0053:30 Expires: 01/18/18 Rating: TV-G

Watch as birds solve puzzles and challenge our basic notions of intelligence.

In the past few decades, scientists have learned that the basis of everything they thought they knew about bird brains was wrong. Fully 75 percent of the brains of parrots, hummingbirds, and thousands of songbirds are actually made up of a sophisticated information processing system that works much the same way as the human cerebral cortex.