FRANCOIS' LANGUR
Trachypithecus francoisi
DESCRIPTION
Francois' Langur is a medium-sized primate known for its striking black and white facial markings and long tail. It is primarily arboreal, spending most of its time in trees and is known for its social behavior.
FUN FACTS
- Francois' Langurs are known for their acrobatic skills in trees | They have a unique social structure with a dominant male | Their striking appearance makes them a favorite among primate enthusiasts
QUICK INFO
Lifespan15-20 years in the wild, up to 30 in captivity
Average Weight10-15 kg
Average Length50-70 cm
Diet TypeHerbivore
Social Structuregroup — typically consists of several females and one male
Activity PatternDiurnal
Breeding SeasonYear-round
- Habitat
- They inhabit subtropical and tropical forests, often in hilly or mountainous regions. Their preference for dense foliage provides both food and protection from predators.
- Biomes
- Tropical Rainforest, Subtropical Forest
- Native Range
- They are native to the mountainous regions of Southeast Asia.
- Continent
- Asia
- Countries
- China, Vietnam, Laos
- Diet
- Francois' Langurs are primarily folivorous, feeding mainly on leaves, fruits, and flowers. They have a specialized digestive system that allows them to process tough plant material.
- Diet Type
- Herbivore
- Favorite Food
- leaves, fruits, flowers
- Social Structure
- group — typically consists of several females and one male
- Activity Pattern
- Diurnal
- Group Size
- 5-20
- Territorial
- 1
VU
LC
10-15 kg
Weight
50-70 cm
Length
- Coloration
- black fur with distinctive white facial markings
- Sexual Dimorphism
- males are generally larger than females
- Lifespan
- 15-20 years in the wild, up to 30 in captivity
- Gestation Period
- 165 days
- Offspring per Birth
- 1
- Sexual Maturity
- 3-4 years
- Breeding Season
- Year-round
EN
Endangered
IUCN Red List Status
- Population Status
- The population is currently declining due to habitat loss and hunting.
- Wild Population Estimate
- unknown
- Population Trend
- Decreasing
- Endangered
- 1
- Threats
- Main threats include habitat destruction due to logging and agriculture, as well as hunting for traditional medicine and the pet trade.
- Conservation Program
- Various local conservation efforts are in place, but specific programs are limited.
- Predators
- large birds of prey, snakes
- Defense Mechanisms
- They use vocalizations to warn of danger and can escape quickly into the trees.
- Found in Zoos
- Uncommon