Photos of selected primates from each major world region.Conservation status and photo credits include the following: (A) Golden snub-nosed monkey (Rhinopithecus roxellana), Endangered, P. A. Garber. (B) Ring-tailed lemur (Lemur catta), Endangered, R. A. Mittermeier. (C) Udzungwa red colobus (P. gordonorum), Endangered (Photo Credit: Thomas Struhsaker, Duke University). (D) Javan slow loris (Nycticebus javanicus), Critically Endangered (Photo Credit: Andrew Walmsley, Andrew Walmsley Photography). (E) Sumatran orangutan (P. abelii), Critically Endangered (Photo Credit: Perry van Duijnhoven). (F) Azara's night monkey (Aotus azarae), Least Concern. Photo : Claudia Valeggia / Yale University / Owl Monkey Project, Formosa-Argentina
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