Story perspectives
Chimpanzee Santino Revolutionizes Rock-Throwing Strategies at Zoo
10/22/2025
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Story summary
- Santino, a male chimpanzee at Furuvik Zoo in Gävle, Sweden, gained notoriety in the late 1990s for gathering rocks during closed hours and throwing them at visitors.
- By 1998, Santino adapted his strategy by using a rock to chip away at concrete, creating more projectiles.
- Researchers have since revealed insights into chimpanzee tool use and social behaviors.