Tarai Gray Langur
Species Name: Semnopithecus hector
The Tarai gray langur (Semnopithecus hector) is an Old-World monkey and was once thought to be a subspecies of the northern plains gray langur. The Latin name for Tarai gray langurs is inspired by Hector, the prince of Troy.
Capped Langur
Species Name: Trachypithecus pileatus
The capped langur is a type of monkey in the Cercopithecidae family. These langurs can vary in appearance. This Asian primate gets its name from the thick hairs on the top of the head, typically gray or black.