https://blogfreely.net/marchri....ddle97/the-complete-
https://articlescad.com/20-myt....hs-about-african-gre
Alex the African Grey Parrot Irene Pepperberg, an animal psychologist, purchased Alex in 1977 from a pet store on the Northwest Side. She began an ongoing study for 30 years that would change our understanding of the intelligence of birds. Alex's research disproved the belief that birds could only imitate human language without understanding the meaning. What is Alex? In the beginning, Alex (short f
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