 The other four are the green, hawksbill, leatherback, and Kemp's ridley turtle.Currently, there are no signs that any of these species breed in the islands, and so those seen in the water are usually migrating.However, it is believed that some of these species may have bred in the islands in the past, and there are records of several sightings of leatherback turtle on beaches in Fuerteventura, adding credibility to the theory.