Purple-faced langur - Wikipedia

Trachypithecus - Wikipedia

Semnopithecus - Wikipedia

Semnopithecus - Wikipedia

Cat Ba Langur: Most Up-to-Date Encyclopedia, News & Reviews

Purple-Faced Langur Characteristics

A pair of Grey langur in Landour

Purple-Faced Langur, Semnopithecus vetulus

Purple-faced langur (Trachypithecus vetulus) with wet fur

Trachypithecus - Wikipedia

Semnopithecus - Wikipedia

Southern Lowland Wet Zone Purple-faced Langur - Semnopithecus vetulus vetulus

Purple-faced langur - Wikipedia