Toque MacaqueSpecies Name: Macaca sinica
The toque macaque (Macaca sinica) is a red-brown Old World monkey endemic to Sri Lanka, known as the rilewa or rilawa. Its common name refers to the strand of hair on its head that resembles a brimless hat.
Purple-faced LangurSpecies Name: Semnopithecus vetulus
The purple-faced langur (Semnopithecus vetulus), also called the purple-faced leaf monkey, is an Old World species native to Sri Lanka. The purple-faced langur is found in the closed forests of Sri Lanka's mountains and in the southwestern part of the country known as the 'wetland'.
Tufted Gray LangurSpecies Name: Semnopithecus priam
The tufted gray langur (Semnopithecus priam), also called the Coromandel sacred langur and the Madras gray langur, is an Old-World monkey, one of the langur species. These langurs are generally shy and only descend when there is no visible danger.