Western Hoolock Gibbon Skull


The Western Hoolock Bibbon (Hoolock hoolock) is a primate from the Gibbon family, Hylobatidae. The species is found in Assam, Mizoram, and Meghalaya in India, Bangladesh, and Myanmar west of the Chindwin River.


Western Hoolock Gibbon Skull Replica measures 3.5 inches. Western Hoolock Gibbon Skull is museum quality polyurethane resin cast. Made in USA. 2-part skull (separate cranium and jaw). Our precise skull can be used as a teaching tool, museum skull exhibit, home décor skull, or office décor skull.

The Western hoolock gibbon or Hoolock hoolock is a primate from the gibbon family, Hylobatidae. The species is found in Assam, Mizoram & Meghalaya in India, Bangladesh and in Myanmar west of the Chindwin River.

Like other gibbons, the Western hoolock gibbon or Hoolock hoolock pairs produce a loud, elaborate song, usually sung as a duet from the forest canopy, in which younger individuals of the family group may join in.

The song includes an introductory sequence, an organizing sequence, and a great call sequence, with the male also contributing to the latter.

Mootnick and Groves stated that hoolock gibbons do not belong in the genus Bunopithecus, and placed them in a new genus, Hoolock. This genus was argued to contain two and later three distinct species which were previously thought to be subspecies: Hoolock hoolock, Hoolock leuconedys and Hoolock tianxing.

It was later found that there is a larger evolutionary distance between these three species and the white-handed gibbons than there is between bonobos and chimpanzees.

In India and Bangladesh the western hoolock gibbon is found where there is contiguous canopy, broad-leaved, wet evergreen and semi-evergreen forests dipterocarpus forest often mountainous. The species is an important seed disperser; its diet includes mostly ripe fruits, with some flowers, leaves and shoots.

There are numerous threats to western hoolock gibbons in the wild, and are now entirely dependent on human action for their survival. Threats include habitat encroachment by humans, forest clearance for tea cultivation, the practice of jhuming (slash-and-burn cultivation), hunting for food, “medicine”, capture for trade, and forest degradation.

Over the last 30 to 40 years, western hoolock gibbon numbers are estimated to have dropped from more than 100,000 to less than 5,000 individuals. In 2009 it was considered to be one of the 25 most endangered primates, though it has been dropped from the later editions of the list.

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Additional information

Weight 1.5 lbs
Dimensions 3.5 in
Western Hoolock Gibbon Facts

Scientific classification
Kingdom: Animalia
Phylum: Chordata
Class: Mammalia
Order: Primates
Suborder: Haplorhini
Infraorder: Simiiformes
Family: Hylobatidae
Genus: Hoolock
Species: H. hoolock
Binomial name: Hoolock hoolock
Conservation status: Endangered