Alex's death came as a surprise; the average life span for African grey parrots is sixty years.
A particular grey parrot, after training, has shown the ability to differentiate between the numbers zero through six using vocalizations.
The only living creature out there was a gray parrot like bird perched on the top branch of a bush willow.
An old lady, and a grey parrot in a cage.
Nine species of hornbill and the African grey parrot have been recorded.
I have an African gray parrot as my familiar.
And a little later the pink and grey parrot stood before the giant.
African gray parrots not only talk, they have a sense of humor and make up new words.
Some new studies show the gray parrot has as much symbolic intelligence as a chimpanzee.
Alex the gray parrot had a better vocabulary than most animals.