https://click4r.com/posts/g/18....542511/how-the-10-wo
Alex the African Grey Parrot When animal psychologist Irene Pepperberg entered a Northwest Side pet shop in 1977 and purchased an exuberant one-year-old African grey parrot named Alex and started a 30-year study that altered the way we think about the avian brain. Alex's research disproved the belief that birds could only mimic human language without understanding meaning. What is Alex? At first, Alex (short for Avian Learning Experiment) was a normal African grey parrot that was
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