In China, 90 percent of the sea turtle population resides in the South China Sea, of which green sea turtles account for over 80 percent of the total. The Beidao sea turtle protection center in Sansha, Hainan province has long been working on the research of green sea turtle populations, as well as turtle ecology and conservation biology. Ever wondered what these sea turtles eat? Click the video to find out more.

Reporter: Yan Dongjie

Video editor: Liu Chongyi