Alex's death came as a surprise; the average life span for African grey parrots is sixty years.

Nine species of hornbill and the African grey parrot have been recorded.

Alex was an African grey parrot.

The African Grey Parrots are particularly noted for their cognitive abilities.

I've just taken on a five-year-old African grey parrot who is adorable apart from one bad habit: he curses.

Alex, 31, American-born African grey parrot, subject of animal language experiments.

Wild African Grey Parrots often whistle, click, or make other sounds.

Among the thieves haul were African Grey parrots.

Wild African Grey Parrots have been observed imitating other birds.

This 23-year-old African Grey parrot is a prodigy.

Their sociability and intelligence can make African Grey Parrots excellent pets.

Evidence of near human-like levels of consciousness has been most dramatically observed in African grey parrots.

African Grey Parrots of all subspecies are known for their superior ability to imitate sounds and human speech.

African Grey Parrots are known to use imitated human speech in correct context, but do not show this behavior in nature.

Both of the girls have magical abilities with Sarah owning a pet African Grey parrot.

'It was an African Grey parrot,' he smiled ruefully.

Several of these species have subspecies, including the African Grey Parrot, which has two subspecies.

It is also well known that crows, ravens, and African Grey Parrots are quite intelligent even though they have small brains.

Alex, the African Grey parrot, was capable of parsing speech and inventing labels for concepts where no label had been provided.

Evidence that birds can form abstract concepts such as same v. different has been provided by Alex, the African Grey Parrot.

Alex the African Grey Parrot was found dead on morning of September 6, 2007, and was seemingly healthy the previous day.

Wright, Maggie (2001): African Grey Parrots: everything about history, care, nutrition, handling, and behavior.

Irene Pepperberg has spent a great deal of time training an African grey parrot which she calls Alex (Figure 8).

Friendly Feathers: Life with Pierre, an African Grey Parrot.