Trachypithecus obscurus (Dusky 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 are known to live for 300 months and can grow to 835 mm. Reproduction is viviparous. They have parental care (female provides care).
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