Tonkin Langur,

Description: François's langur (Trachypithecus francoisi) in Lincoln Park Zoo, Chicago, United States. Date: Taken on 26 September 2005. Source: Own work. Author: Lea Maimone.

Description: Taxidermy exhibit in the Kunming Natural History Museum of Zoology (昆明动物博物馆), Kunming, Yunnan, China. Date: 10 August 2011, 03:09:42. Source: Self-photographed. Author: Daderot. Permission(Reusing this file): Public domain.

Description: English: Francois' Langur - Trachypithecus francoisi at Cincinnati Zoo. Date: 8 June 2008. Source: Own work. Author: Ltshears.

Description: François's langur (Trachypithecus francoisi) in Lincoln Park Zoo, Chicago, United States. Date: Taken on 26 September 2005. Source: Own work. Author: Lea Maimone.

Description: English: Fracois Langur Trachypithecus francoisi at Cincinnati Zoo. Date: 30 April 2010. Source: Own work. Author: Ltshears.

Description: Taxidermy exhibit in the Kunming Natural History Museum of Zoology (昆明动物博物馆), Kunming, Yunnan, China. Date: 10 August 2011, 03:09:04. Source: Self-photographed. Author: Daderot. Permission(Reusing this file): Public domain.

Description: English: Francois Langur Trachypithecus francoisi at Cincinnati Zoo. Date: 13 November 2011. Source: Own work. Author: Ltshears.