Irwin’s son, Robert, and his wife, Terri, were at the zoo and paid tribute to their late father and husband, respectively. In a video taken at the event, the Irwins can be seen showing off a crocodile ...

This is the first known instance of a crocodile virgin birth, but virgin births have been recorded in fish, birds, lizards, and snakes Getty Images Scientists have discovered the first-known case of ...