First Evidence Of Planned Animal Action? Chimp's Stone Throwing At Zoo Visitors Was 'Premeditated'

Wednesday, March 11, 2009 - 09:42 in Paleontology & Archaeology

Researchers have found what they say is some of the first unambiguous evidence that an animal other than humans can make spontaneous plans for future events. The report highlights a decade of observations in a zoo of a male chimpanzee calmly collecting stones and fashioning concrete discs that he would later use to hurl at zoo visitors.

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