NOVA scienceNOW

Profile: Irene Pepperberg & Alex

Clip: Season 5 Episode 4 | 11m 55s  | Video has closed captioning.

Her 30-year relationship with a parrot changed our notions of bird intelligence.

Aired: 02/09/11

Rating: NR

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Problems Playing Video? | Closed Captioning

Funding for NOVA ScienceNOW is provided by the National Science Foundation and the Alfred P. Sloan Foundation.

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