Francois' Langur
François' langur (Trachypithecus francoisi), also known as Francois' leaf monkey, Tonkin leaf monkey, or white side-burned black langur is a species of lutung and the type species of its species group. It is the least studied of the species belonging to the Colobinae subfamily.
The species is distributed from Southwestern China to northeastern Vietnam. The total number of wild individuals is unknown, but there are believed to be less than 500 left in Vietnam and 1,400–1,650 in China. There are about 60 langurs in captivity in North American zoos. The species is named after Auguste François (1857–1935) who was the French Consul at Lungchow in southern China.
Read more about Francois' Langur: Physical Description, Behavior, Habitat and Distribution, Conservation Status