animal studies

Chimp in Sweden Stockpiles Rocks to Hurl at Zoo Visitors Later
A few years back, Santino, a chimpanzee   at a zoo in Sweden, made big news. He was gathering rocks in the morning, storing them and then later in the day he would hurl them at unsuspecting people enjoying a lovely day at the zoo.
Funny, right? I thought it was at first, but then all of a s…