A South African mugger fleeing the scene of his crime hides in a tiger enclosure. On the country's coast, a woman attempts to be a good Samaritan by pushing a young seal into the sea, believing the poor thing is stranded. Both people paid heavily for their stupidity, underscoring one of nature's truisms: humans do dumb things around wild animals. "I blame it on Walt Disney, where animals are given human qualities. People don't understand that a wild animal is not something that is nice to pat. It can seriously harm you," said James Cameron, a South African professional hunter....