Alex
African grey parrot
Born: May 18, 1976 — Died: September 6, 2007
Alex was an African grey parrot trained by animal psychologist Irene Pepperberg. He could identify 50 different objects, 7 colors, 5 shapes, and understood concepts of same and different.
Details
Alex was an African grey parrot trained by animal psychologist Irene Pepperberg. He could identify 50 different objects, 7 colors, 5 shapes, and understood concepts of same and different.
2007-09-06
Death of Alex
Alex, the African grey parrot, dies at the age of 31.
2005-01-01
Published 'Comparative assessment of vocal learning'
Pepperberg publishes research on Alex's vocal learning abilities.
2000-01-01
Continued Cognitive Research
Alex continues to participate in cognitive and communication research.
1999-01-01
Demonstrates understanding of zero
Alex shows understanding of the concept of zero, a significant cognitive feat.
1995-01-01
Featured in numerous documentaries
Alex gains wider recognition through appearances in documentaries.
1990-01-01
Understood concepts like 'bigger', 'smaller'
Alex demonstrates understanding of relative size concepts.
1985-01-01
Expanded vocabulary and cognitive skills
Alex's vocabulary and cognitive abilities continue to develop.
1980-01-01
Learned to identify colors and shapes
Alex learns to identify and name various colors and shapes.
1977-01-01
Began working with Irene Pepperberg
Alex begins his life's work with Irene Pepperberg, participating in research.
1976-05-18
Birth of Alex
Alex, the African grey parrot, is born.
