Fauna of Nicaragua Many of Nicaragua's birds are brilliantly colored, including various species of parrots, toucans, trogons, and hummingbirds. guardabarranco is the national bird of Nicaragua. Natural range for the scarlet macaw has been vastly reduced by the pet trade. Most of the Pacific region of Nicaragua no longer is inhabited by the species. Nicaragua is home to many nesting populations of sea turtles, including the hawksbill sea turtle, leatherback sea turtle, loggerhead sea turtle, olive ridley sea turtle, and the Pacific green turtle ("Chelonia mydas agassisi"). All of these are endangered or critically endangered species, with declining global populations. Extensive efforts are
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