Wildlife of Cape Verde across the Atlantic to breed from May to October. The most prominent species is the endangered loggerhead sea turtle ("Caretta caretta"). 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. The area is cited as one of two known breeding grounds
Loggerhead shrike sex an adult loggerhead shrike in the field, as they are sexually monochromatic. However, several studies have reported sexual dimorphism in plumage and size traits. Juveniles possess a paler gray plumage that is subtly vermiculated. The loggerhead shrike can be distinguished from the northern shrike by its smaller size, darker grey plumage and larger black face mask that covers the eye completely. It also has a shorter bill with less prominent hook. Their calls are similar. Their vocal range is broad and varied, and has been described as harsh and jarring. The shrike’s notes include squeaky whistles, shrill trills, guttural