Trachypithecus francoisi (Tonkin Langur,) is a species of primates in the family Old World monkeys. They are listed as endangered by IUCN and in cites appendix ii. They are native to Asia. They are diurnal herbivores. Individuals can grow to 599.99 mm. Reproduction is viviparous. They have parental care (paternal care, cooperative breeding, and female provides care).
EOL has data for 48 attributes, including: