Leatherback Trust Leatherback Trust The Leatherback Trust is a non-governmental organization dedicated to the conservation and study of sea turtles and freshwater turtles, with special regard for the leatherback sea turtle. The Leatherback Trust was founded in 2000 to help consolidate Las Baulas National Marine Park, one of the last major nesting site for the critically endangered leatherback turtle in the Eastern Pacific Ocean. The park protects Playa Grande, Playa Ventanas, Playa Langosta, the ocean out to 12 nautical miles, wetlands, highlands, and the coast inland to 125 m from the high tide line. The Leatherback Trust also supports other sea turtle
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