Chimp at 1997 Zoo Surprises Scientists with Rock-Throwing Behavior
Originally Published 2 months ago — by IFLScience

In 1997, a chimpanzee named Santino at Furuvik Zoo in Sweden demonstrated remarkable behavior by planning and preparing to throw rocks at visitors, including gathering and fracturing stones, which indicated a level of future planning and deception previously thought unique to humans. This discovery provided significant insights into primate cognition and behavior.