https://telegra.ph/5-Cost-Of-A....frican-Grey-Parrot-I
Alex the African Grey Parrot Irene Pepperberg, an animal psychologist, purchased Alex in 1977 from a pet shop in the Northwest Side. She began an investigation lasting 30 years that would change our perception 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? Alex (short form for Avian Learning experiment) was originally just an African grey parrot that was purchased from a pet shop. Thr
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