Northern buffed-cheeked gibbon
Encyclopedia
The northern buffed-cheeked gibbon (Nomascus annamensis) is a newly discovered species of crested gibbon
which is found in Vietnam
, Cambodia
and Laos
. Its habitat
is in the rainforests of these countries.
. The males have a primarily black pelt that glistens silver in sunlight with a lighter brown chest. The cheek is a deep golden-orange, and the crest is very prominent. Females, on the other hand, lack the characteristic crest and are orange-beige
in color.
The holotype
is located in the Zoological Museum of the Vietnam National University.
Gibbon
Gibbons are apes in the family Hylobatidae . The family is divided into four genera based on their diploid chromosome number: Hylobates , Hoolock , Nomascus , and Symphalangus . The extinct Bunopithecus sericus is a gibbon or gibbon-like ape which, until recently, was thought to be closely related...
which is found in Vietnam
Vietnam
Vietnam – sometimes spelled Viet Nam , officially the Socialist Republic of Vietnam – is the easternmost country on the Indochina Peninsula in Southeast Asia. It is bordered by China to the north, Laos to the northwest, Cambodia to the southwest, and the South China Sea –...
, Cambodia
Cambodia
Cambodia , officially known as the Kingdom of Cambodia, is a country located in the southern portion of the Indochina Peninsula in Southeast Asia...
and Laos
Laos
Laos Lao: ສາທາລະນະລັດ ປະຊາທິປະໄຕ ປະຊາຊົນລາວ Sathalanalat Paxathipatai Paxaxon Lao, officially the Lao People's Democratic Republic, is a landlocked country in Southeast Asia, bordered by Burma and China to the northwest, Vietnam to the east, Cambodia to the south and Thailand to the west...
. Its habitat
Habitat
* Habitat , a place where a species lives and grows*Human habitat, a place where humans live, work or play** Space habitat, a space station intended as a permanent settlement...
is in the rainforests of these countries.
Description
The northern buffed-cheeked gibbon resembles Nomascus gabriellae in appearance. Males and females of Nomascus annamensis differ in morphology and colorSexual dimorphism
Sexual dimorphism is a phenotypic difference between males and females of the same species. Examples of such differences include differences in morphology, ornamentation, and behavior.-Examples:-Ornamentation / coloration:...
. The males have a primarily black pelt that glistens silver in sunlight with a lighter brown chest. The cheek is a deep golden-orange, and the crest is very prominent. Females, on the other hand, lack the characteristic crest and are orange-beige
Beige
Beige may be described as an off tan color or an extremely pale brown color.The term originates from beige cloth, a cotton fabric left undyed in its natural color...
in color.
The holotype
Holotype
A holotype is a single physical example of an organism, known to have been used when the species was formally described. It is either the single such physical example or one of several such, but explicitly designated as the holotype...
is located in the Zoological Museum of the Vietnam National University.