https://humanlove.stream/wiki/....The_Three_Greatest_M
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 avian intelligence. Her research with him has challenged the belief that birds only mimic human speech, without any understanding of meaning. What is Alex? At first, Alex (short for Avian Learning Experiment) was a normal African grey parrot bought from a pet store. Through his lif
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