Reopening on February 8, 2025

JAVA LANGUR

Class: Mammals


Order: Primates


Family: Cercopithecidae


Genus: Trachypithecus


Species: Auratus


Geographic distribution: Indonesia


Habitat: Primary forests of Java, Bali, and Lombok


Size: 45 to 65 cm


Longevity: 20 years


Weight: 6 to 8 kg


Sexual maturity: 3 – 4 years


Gestation: 6-7 months


Litter: 1 pup


Diet: Leaves, grass, fruits, and flowers


Protection status: IUCN CR – Vulnerable

Description

The Javan langur can have a black or orange coat, a phenomenon still unexplained by scientists. At birth, all baby Java langurs have an orange coat, which mayor may not change as they grow.

Threats and perservation

Javan langur populations are declining due to human actions (deforestation, poaching traffficking as pets. Led by the Aspinall Foundation in Indonesia, the main aim of the Java langur conservation programme is to strengthen populations by reintroducing individuals into protected forests.