Arizona PBS Previews

NOVA : 4420

Preview | 30s

Long mocked as empty-headed, birds hide surprisingly acute intelligence. But just how smart are they? As scientists test avian aptitude with brainteasers, discover how the genius of birds is leading us to rethink our basic notions of intelligence.

Aired: 12/20/17

Rating: NR

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Arizona PBS Previews is a local public television program presented by Arizona PBS.