>> a very close call for a surfer in australia jolted off his board when a shark tried to take a bite out of him. this is what's left of that surfboard. nice bite marks. the surfer says he's just happy to survive with only a few scratches on one of his legs. >> i'm probably the luckiest guy on two legs in the land. unbelievable, just as i was taking off, jumping up, just a bank from the side and cartwheel through the air and then there was a thrashing beside me. >> harris: the shark researchers saying attacks like that are common this time of the year in australia where it's the start of the summer. this was the second shark attack in just the past week in at that area and a teenager from sydney suffered minor injuries as well in a similar