Since the it has been considered politically incorrect to call a black cat a black panther. The big black cats are black leopards or black jaguars and are not referred to as black panthers by anyone who knows anything about big cats.
Great white sharks are attacking hundreds of sea otters on the California coast (killing, but not eating them). Scientists baffled as to why these shark attacks are on the rise. Mysterious Great White Shark Attacks on Sea Otters Surge