A male, critically endangered Yangtze giant softshell turtle (Rafetus swinhoei) at the Suzhou Zoo in China. Both Yangtze turtles held at this facility are over 100 years old, if biologist can't get this species to breed soon, the species will become extinct.
The Yangtze giant softshell turtle is the rarest turtle in existence. There are only four left in the world and they are becoming extinct due to habitat loss and hunting. The Chinese believe the shells of these turtles hold medicinal properties.