sentences:  Other species of turtle are the hawksbill sea turtle ("Eretmochelys imbricate") which is critically endangered; the green sea turtle ("Chelonia mydas"), endangered; leatherback sea turtle ("Dermochelys coriacea") and olive ridley sea turtle ("Lepidochelys olivacea").Hunting of sea turtles remains prevalent per an UNEP report, however turtle conservation measures began in 2008.Eighteen species of whales and dolphins have been recorded in the waters of the Cape Verde archipelago.