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tool-using crows

tool-using crows. Brainy crow upsets pecking order: “Betty the New Caledonian crow made a tool from a piece of garden wire and used it to hook a tasty morsel of meat out of a tube too deep for her beak.” … “The question is: what kind of physics is it they understand? If you see a problem, pick up a straight wire and without instruction bend it into the right shape, and then extract the food, that means the animal is behaving as if it understands the required physical properties of an instrument”.

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