The Hatinh langur (Trachypithecus hatinhensis) is a highly threatened Old World monkey found in limestone forests in Vietnam, primarily in the Quang Binh Province. A recent survey discovered a small population living in the Quang Tri Province. Contrary to its name, it is not known from the Ha Tinh Province. The local Van Kieu minority refer to this lutung as the 'Con Cung', which roughly translates as "black, cliff-dwelling monkey with a long tail". It resembles...