different. - L'INTELLIGENZA DI ALEX Alex, acronimo di Avian Language EXperiment, fu un pappagallo cenerino che fece parte di un #esperimento della durata di 30 anni all'Università dell'Arizona. Gli esperimenti della psicologa
![File:Pet parrot named Alexander (Amazona aestiva).jpg - Simple English Wikipedia, the free encyclopedia File:Pet parrot named Alexander (Amazona aestiva).jpg - Simple English Wikipedia, the free encyclopedia](https://upload.wikimedia.org/wikipedia/commons/thumb/f/f8/Pet_parrot_named_Alexander_%28Amazona_aestiva%29.jpg/2560px-Pet_parrot_named_Alexander_%28Amazona_aestiva%29.jpg)
File:Pet parrot named Alexander (Amazona aestiva).jpg - Simple English Wikipedia, the free encyclopedia
![You be good, see you tomorrow. I love you." - last words of Alex, the African Grey Parrot (died on this day in 2007) : r/pics You be good, see you tomorrow. I love you." - last words of Alex, the African Grey Parrot (died on this day in 2007) : r/pics](https://external-preview.redd.it/VnFfAu-1yMZr2CML2zOtVU5iSLFPXrORiinGLRz2MGs.jpg?auto=webp&s=3e27a0d6dded58722ec32a8b5dfb32edbbe270b4)