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 shrikes may eat or discard their bodies or else feed them to their remaining young. The oldest recorded age of a loggerhead shrike was 12 years and 6 months. Loggerhead shrike populations have been decreasing in North America since the 1960s. Reasons behind the decline remain unclear, although suggestions include habitat loss, pesticide contamination, climate change and human disturbance. The eastern loggerhead shrike ("L.l. migrans") is critically endangered in Canada, with fewer than 35 known breeding pairs in Canada. The San Clemente Island shrike, "L. l. mearnsi", is critically endangered, with a population as low as 5-10 individuals during 1983-1988.