Identification of turtles -- Key to the turtles of the United States and Canada -- Chelydridae: snapping turtles -- Chelydra serpentina, snapping turtle -- Macroclemys temminckii, alligator snapping ...

An ancient species that has endured for over a century now faces imminent extinction. The Yangtze giant softshell turtle, regarded as the largest freshwater turtle on Earth, has only two known ...