''Nomascus'' is the second-most speciose
genus of
gibbon
Gibbons () are apes in the family Hylobatidae (). The family historically contained one genus, but now is split into four extant genera and 20 species. Gibbons live in subtropical and tropical rainforest from eastern Bangladesh to Northeast India ...
s (family Hylobatidae). Originally, this genus was a subgenus of ''Hylobates'', and all individuals were considered one species, ''Hylobates concolor''. Species within ''Nomascus'' are characterized by 52 chromosomes. Some species are all black, some are light with a distinct black tuft of crown fur, and some have distinct, light-colored cheek patches. ''Nomascus'' is found from southern China (
Yunnan) to southern
Vietnam, and also on
Hainan Island. One species, ''Nomascus nasutus,'' has been deemed "the most critically endangered ape species in the world".
[ All species in this genus are either endangered or critically endangered.
]
Classification
* Family Hylobatidae
Gibbons () are apes in the family Hylobatidae (). The family historically contained one genus, but now is split into four extant genera and 20 species. Gibbons live in subtropical and tropical rainforest from eastern Bangladesh to Northeast India ...
: gibbons[
** Genus '']Hylobates
The genus ''Hylobates'' is one of the four genera of gibbons. Its name means "forest walker", from the Greek (, "forest") and (, "one who treads").
It was once considered the only genus, but recently its subgenera (''Hoolock'' ormerly ''Bun ...
''
** Genus '' Hoolock''
** Genus '' Symphalangus''
** Genus ''Nomascus''
*** Black crested gibbon, ''Nomascus concolor''
**** Tonkin black crested gibbon, ''Nomascus concolor concolor''
**** Laotian black crested gibbon, ''Nomascus concolor lu''
**** Central Yunnan black crested gibbon, ''Nomascus concolor jingdongensis''
**** West Yunnan black crested gibbon, ''Nomascus concolor furvogaster''
*** Eastern black crested gibbon
The eastern black-crested gibbon (''Nomascus nasutus''), also known as the Cao-vit black crested gibbon or the Cao-vit crested gibbon, is a species of gibbon
Gibbons () are apes in the family Hylobatidae (). The family historically contained o ...
, ''Nomascus nasutus''
*** Hainan black crested gibbon, ''Nomascus hainanus''
*** Northern white-cheeked gibbon, ''Nomascus leucogenys''
*** Southern white-cheeked gibbon, ''Nomascus siki''
*** Yellow-cheeked gibbon, ''Nomascus gabriellae''
*** Northern buffed-cheeked gibbon
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 humid subtropical and seasonal tropical forests of these countries.
...
, ''Nomascus annamensis''
References
External links
*ARKive
images and movies of the black-crested gibbon ''(Nomascus concolor)''Gibbon Conservation CenterPrimate Info Net ''Hylobates (Nomascus) leucogenys'' Factsheet
{{Taxonbar, from=Q990943
Gibbons
Mammals of Southeast Asia
Primate genera
Taxa named by Gerrit Smith Miller Jr.
Taxa described in 1933
