An animal keeper holds a baby Batagur turtle in Schoenbrunn Zoo in Vienna June 21, 2010. Two Batagur turtles were hatched in May in Schoenbrunn Zoo and it is the first time this species could have been bred in captivity. Batagur turtles are one of the most endangered species of turtle, only 20 of them are now known to be in existence worldwide. REUTERS/Herwig Prammer (AUSTRIA - Tags: ANIMALS IMAGES OF THE DAY) 

Brazilian environmental police remove baby giant river turtles (Podcnemis expansa) that they seized from poachers from a crate in the northern Brazilian state of Belem, January 23, 2007. Police seized 1800 turtles in the possession of poachers who were transporting them to the Amazonas State of Belem to be sold. REUTERS/Paulo Santos/Interfoto 

A baby giant river turtles (Podcnemis expansa) is seen at headquarters of Brazilian environmental police in the northen Brazilian state of Belem, January 23, 2007. Police seized 1800 turtles in the possession of poachers who were transporting them to the Amazonas State of Belem to be sold. REUTERS/Paulo Santos/Interfoto (BRAZIL) 

Baby giant river turtles (Podcnemis expansa) are seen at headquarters of Brazilian environmental police in the northen Brazilian state of Belem, January 23, 2007. Police seized 1800 turtles in the possession of poachers who were transporting them to the Amazonas State of Belem to be sold. REUTERS/Paulo Santos/Interfoto (BRAZIL) 

Baby giant river turtles (Podcnemis expansa) are seen at headquarters of Brazilian environmental police in the northen Brazilian state of Belem, January 23, 2007. Police seized 1800 turtles in the possession of poachers who were transporting them to the Amazonas State of Belem to be sold. REUTERS/Paulo Santos/Interfoto (BRAZIL)