Endangered primates

The grey-shanked douc langur, Pygathrix cinerea, found in Vietnam. In Asia, more than 70% of primates are classified on the IUCN red list as vulnerable, endangered or critically endangered and in both Vietnam and Cambodia, approximately 90% of primate species are considered at risk of extinction Photograph: Tilo Nadler/Conservation InternationalAdolescent mountain gorilla (Gorilla gorilla