Spotted: First evidence of leopard eating a chimp[ Sun, 26 May 2013 15:55:07 GMT ]By Douglas Main, LiveScienceOnly rarely have people seen what happens when chimpanzees and leopards come into close quarters in the wilds of Africa. On these occasions, chimpanzees have made loud, fearful calls, or played the aggressor: In one case, chimps even surrounded a leopard den and killed a cub.But the big-brained primates don't always win: For the first time, scientists have found evid...