Ebony Leaf Monkey

Trachypithecus auratus

Description

Trachypithecus auratus has a medium body size with an average weight of 7 kg, a long tail. Her hair color is shiny black to silvery black with a slighty of brown on the legs and belly. The female individual has a yellowish white spot on the genitals. Lutung juvenile’s hair color orange, will get darker with age.

Population Size

-

Life Span

-

WEIGHT​

-

LENGTH

-

Ar

Arboreal

Di

Diurnal

Om

Omnivore

Classification

KINGDOM

:

Animalia

PHYLUM

:

Chordata

CLASS

:

Mamalia

ORDER

:

Primata

FAMILY

:

Cercopithecidae

GENUS

:

Trachypithecus

SPECIES

:

Trachypithecus auratus

Distribution

Trachypithecus auratus inhabits dry lowlands to highlands, swamp forests, mangrove forests, beaches, secondary forests and plantations of teak, mahogany and acacia. Can be found to the mountain forest with an altitude of 3,500 m above sea level.

Geography

Continent : Asia

Country : Trachypithecus auratus can be found in Java, Bali and Lombok, either in natural habitats or in national parks. This species can also be found in the inland forests of western Indonesia and on the southern coast.

Habits and Lifestyle

Trachypithecus auratus is an animal that is active during the day and spends most of its time on trees, generally moving from one tree branch to another. This species lives in groups of about 7 individuals with 1-2 males and 5-6 females, the size of the group depends on climatic conditions.

Lifestyle

Arboreal and communal

Biome

–

Climate Zone

Tropical

Diet and Nutrition

Trachypithecus auratus is an all-eating animal, its main food is fruits, leaves and flowers, it can eat insect larvae. This species likes foods that are easy to digest, low in fiber and high in protein

Diet : Omnivora

Mating Habits

The population of Trachypithecus auratus females in one group is more than males, but there is no competition in groups among males because they ensure that all members of the group successfully mate. This species reproduces by giving birth (viviparous), female langurs begin to breed around the age of 3 – 4 years, giving birth to 1 child once a year. Can give birth every year and the infants develop quickly.

Reproduction session : –

Incubation periods: –

Independent age : 1 year

Baby name : –

Baby carrying : 1

Population

Population status : Vulnerable (VU)

NE

DD

LC

NT

VU

EN

CR

EW

EX

Population threats​

Trachypithecus auratus is caught by humans to be used as food, pets and traded, besides this species is also killed because it categorized as agricultural pest.

Population number​

Trachypithecus auratus is listed as a vulnerable animal on the IUCN Red List. The population of this species is decreasing due to human activities, such as habitat loss due to agricultural expansion, hunting and animal trade.

PHOTO GALLERY

Reference

  1. Supriatna, J. 201 Field Guide to The Indonesia Primates. Yayasan Pustaka Obor Indonesia, Jakarta.
  2. Spangled Ebony Langur on The IUCN Red List 
  3. Trachypithecus auratus Javan Langur 
  4. East Javan Langur on Wikipedia article