EASTERN HOOLOCK
Hoolock leuconedys
DESCRIPTION
Eastern Hoolock (Hoolock leuconedys) is also known as the White-handed Gibbon due to its distinctive light-colored hands and feet. This species is characterized by its long arms, which are adapted for brachiation, allowing it to swing gracefully through the trees of its forest habitat. Eastern Hoolocks are social animals, often found in small family groups, and are known for their loud, melodious calls that can be heard over long distances, serving as a means of communication and territory establishment.
FUN FACTS
- Eastern Hoolocks are known for their impressive vocal abilities, producing a variety of calls that can be heard up to 2 kilometers away
- These calls are not only used for communication but also play a role in establishing territory among neighboring groups.| They are highly intelligent and exhibit complex social behaviors, including cooperative parenting, where both parents participate in caring for their young
- This social structure helps ensure the survival of their offspring in the wild
QUICK INFO
Lifespan20-25 years in the wild, up to 30 years in captivi
Average Weight5-10 kg
Average Length50-75 cm
Diet TypeHerbivore
Social StructureThey typically live in small family groups consisting of a mated pair and their offspring. Social bonds are strong, and they engage in grooming and play.
Activity PatternDiurnal
Breeding SeasonYear-round, with peaks depending on local conditions
- Habitat
- They inhabit tropical and subtropical forests, particularly in areas with dense canopy cover. Eastern Hoolocks are arboreal, spending most of their time in trees.
- Biomes
- Tropical Rainforest, Subtropical Forest
- Native Range
- Eastern Hoolocks are native to the forests of northeastern India, Bangladesh, and parts of Myanmar.
- Continent
- Asia
- Countries
- India, Bangladesh, Myanmar
- Diet
- Eastern Hoolocks primarily consume fruits, leaves, and flowers, making them frugivorous. They play a crucial role in their ecosystem by aiding in seed dispersal.
- Diet Type
- Herbivore
- Favorite Food
- fruits, leaves, flowers
- Social Structure
- They typically live in small family groups consisting of a mated pair and their offspring. Social bonds are strong, and they engage in grooming and play.
- Activity Pattern
- Diurnal
- Group Size
- 2-6
- Territorial
- 1
VU
5-10 kg
Weight
50-75 cm
Length
- Coloration
- They have a dark brown or black fur coat with lighter-colored hands and feet.
- Sexual Dimorphism
- Males and females are similar in size, but males often have a slightly larger body and a more pronounced throat sac.
- Lifespan
- 20-25 years in the wild, up to 30 years in captivi
- Gestation Period
- 7-8 months
- Offspring per Birth
- 1
- Sexual Maturity
- 4-5 years
- Breeding Season
- Year-round, with peaks depending on local conditions
EN
Endangered
IUCN Red List Status
- Population Status
- The population is currently declining due to habitat loss and hunting.
- Wild Population Estimate
- Less than 10,000
- Population Trend
- Decreasing
- Endangered
- 1
- Threats
- Main threats include deforestation for agriculture and logging, as well as hunting for the pet trade. Habitat fragmentation also poses a significant risk to their survival.
- Predators
- Large birds of prey and snakes are known to pose threats to young gibbons, while humans are the primary threat due to habitat destruction.
- Defense Mechanisms
- They rely on their agility and speed to escape predators, often using their ability to swing through trees to evade threats.
- Found in Zoos
- Uncommon