[Study says crows can remember the faces of enemies for up to five years] A recent study from the University of Washington found that crows have excellent memory for human faces, and they can distinguish between a friendly face and a dangerous face. Crows are said to be able to remember human faces that have posed a threat to them for up to five years. Professor Marzluff said: "Our findings once again confirm that crows are as intelligent as chimpanzees."
I was just impressed by this news=. =
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