PBS Anywhere

Providing Support for PBS.org

NOVA scienceNOW

Profile: Irene Pepperberg & Alex

Clip: Season 5 Episode 4 | 11m 55s

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

Aired: 02/09/11

Rating: NR

Video has closed captioning.

Buy Now:

Watch Full Length

Problems Playing Video?