The jaguar. Some call it the most mysterious and magnificent of all big cats. Ancient cultures considered them gods for their power, beauty and speed. But little is really known about this species that stalks the deepest jungles. Researchers have collected information about male jaguars, but half of the picture is missing—we don't know as much about females. For the first time, Boone Smith brings his expertise to Central and South America as he teams up with Dr. Howard Quigley.