https://sciencewiki.science/wi....ki/The_People_Neares
Alex the African Grey Parrot Irene Pepperberg, an animal psychologist, bought Alex in 1977 from a pet store located on the Northwest Side. She began a 30-year study that would change our perception of the intelligence of avian species. Her research on Alex disproved the belief that birds could only imitate human language, but not understand the meaning. What is Alex? At first, Alex (short for Avian Learning Experiment) was a normal African grey parrot purchased from the pet store. Thr
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