Trachypithecus francoisi (Tonkin Langur,) is a species of Old World monkeys 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 (cooperative breeding, female provides care, and paternal care).
EOL has data for 47 attributes, including: