NOVA

Bird Brain Preview

Preview: Season 44 Episode 20 | 30s

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

Aired: 12/20/17

Rating: NR

The full episode is no longer available for online streaming. Why?

Please continue to enjoy extra(s) from this episode. The full episode is still available for purchase through the "Buy Now" links.

Problems Playing Video?