Table 1.

Common names, IUCN classification and proposed classification of gibbons.

Common name	IUCN classification [12]	Proposed classification
Kloss' s gibbon	Hylobates klossii	Hylobates klossii
Eastern Müller's Bornean gibbon	Hylobates muelleri muelleri	Hylobates muelleri*
Northern Müller's Bornean gibbon	Hylobates muelleri funereus	Hylobates funereus*
Abbott's Müller's Bornean gibbon	Hylobates muelleri abbotti	Hylobates abbotti*
Agile gibbon	Hylobates agilis	Hylobates agilis*
Bornean white-bearded gibbon	Hylobates albibarbis	Hylobates albibarbis
Malayan lar gibbon	Hylobates lar lar	Hylobates lar lar*
Sumatran lar gibbon	Hylobates lar vestitus	Hylobates lar vestitus*
Mainland lar gibbon	Hylobates lar entelloides	Hylobates lar entelloides*
Carpenter's lar gibbon	Hylobates lar carpenteri	Hylobates lar carpenteri*
Yunnan lar gibbon	Hylobates lar yunnanensis	Hylobates lar yunnanensis*
Silvery Javan gibbon	Hylobates moloch	Hylobates moloch*
Pileated gibbon	Hylobates pileatus	Hylobates pileatus
Western hoolock gibbon	Hoolock hoolock	Hoolock hoolock
Eastern hoolock gibbon	Hoolock leuconedys	Hoolock leuconedys
Siamang	Symphalangus syndactylus	Symphalangus syndactylus*
Hainan gibbon	Nomascus hainanus	Nomascus hainanus
Cao-vit crested gibbon	Nomascus nasutus	Nomascus nasutus
Black crested gibbon	Nomascus concolor concolor	Nomascus concolor concolor*
West Yunnan black crested gibbon	Nomascus concolor furvogaster	Nomascus concolor concolor*
Central Yunnan black crested gibbon	Nomascus concolor jingdongensis	Nomascus concolor concolor*
Laotian black crested gibbon	Nomascus concolor lu	Nomascus concolor lu*
Northern white-cheeked gibbon	Nomascus leucogenys	Nomascus leucogenys*
Southern white-cheeked gibbon	Nomascus siki	Nomascus siki*
Red-cheeked gibbon	Nomascus gabriellae	Nomascus gabriellae
	16 species, 12 subspecies	18 species, 7 subspecies

*further research required