 The green sea turtle, on the other hand, feeds primarily on many different types of sea grasses.The conservation status of each of the seven turtle species are mostly all endangered or threatened.The green and loggerhead sea turtles are categorized as endangered, Olive Ridleys are classified as vulnerable, Kemp's Ridleys, and Hawksbills sea turtles are critically endangered and the Flat Back sea turtle does not have enough data to draw an accurate conclusion on conservation status.