Silently suspended in water, with only their eyes, nostrils and ears breaking the surface, these members of the crocodilian family play a terrifying sit-and-wait game with their prey, striking with lightning speed, chilling accuracy and a deadly bite stronger than any other living creature. Their victims stand little chance once held in their strong jaws. Land-dwelling prey are equally at risk--crocodilians can walk, gallop and leap at high speed,...