https://lang-beier.hubstack.ne....t/5-must-know-africa
Alex the African Grey Parrot When animal psychologist Irene Pepperberg entered a Northwest Side pet shop in 1977 and bought a haughty one-year-old African grey parrot named Alex and began a 30-year experiment that changed how we perceive avian intelligence. Her study with Alex has challenged the belief that birds could only mimic human speech, without any understanding of meaning. What is Alex? At first, Alex (short for Avian Learning Experiment) was just an ordinary African grey parrot that w
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