Death in China zoo puts rarest turtle on cusp of oblivion

This photo taken on May 6, 2015 shows a female Yangtze giant softshell turtle at Suzhou Zoo in Suzhou in China's eastern Jiangsu province. Photo by STR / AFP) / China OUT

SHANGHAI: The world's rarest turtle has moved a step closer to extinction after a female specimen died in a Chinese zoo, leaving behind just three known members of the species.