The Nilgiri langur (Trachypithecus johnii) is a type of Old World monkey found in the Nilgiri Hills of the Western Ghats in South India. Females are differentiated from male with white patch of fur on the inner thigh. It typically lives in troops of nine to ten monkeys. The animal is often seen encroaching into agricultural lands. Its diet consists of fruits, shoots and leaves. The species is endangered due to deforestation and poaching for its fur and flesh, the latter believed to have aphrodisiac properties.