White-handed gibbon Image minka2507reproduced CC BY 3.0

 SMALL APES

Compared to the great apes, gibbons are relatively unknown and less understood. They are the smallest and fastest of all the apes They are extremely intelligent, and like great apes, gibbons form strong family bonds. There are twenty different species of small apes, two of which have only recently been discovered (see below).

 

The IUCN Group that focuses on Small Apes is the Section on Small Apes (SSA) of the IUCN SSC Primate Specialist Group. The SSA is a community of over ninety of the world's experts in gibbon conservation from twenty-one countries.

       

1

Hoolock hoolock

Western Hoolock Gibbon

Endangered

2

Hoolock leuconedys

Eastern Hoolock Gibbon

Vulnerable

3

Hoolock tianxing

Skywalker hoolock

Critically Endangered

4

Hylobates abbotti

Abbott’s Gray Gibbon

Endangered

5

Hylobates agilis

Agile Gibbon

Endangered

6

Hylobates albibarbis

Bornean White-bearded Gibbon

Endangered

7

Hylobates funereus

Northern Gray Gibbon

Endangered

8

Hylobates klossii

Kloss’s Gibbon

Endangered

9

Hylobates lar

Lar Gibbon

Endangered

10

Hylobates moloch

Moloch Gibbon

Endangered

11

Hylobates muelleri

Müller’s Gibbon

Endangered

12

Hylobates pileatus

Pileated Gibbon

Endangered

13

Nomascus annamensis

Northern Yellow-cheeked Crested Gibbon

Endangered

14

Nomascus concolor

Western Black Crested Gibbon

Critically Endangered

15

Nomascus gabriellae

Southern Yellow-cheeked Crested Gibbon

Endangered

16

Nomascus hainanus

Hainan Crested Gibbon

Critically Endangered

17

Nomascus leucogenys

Northern White-cheeked Crested Gibbon

Critically Endangered

18

Nomascus nasutus

Eastern Black Crested Gibbon (Cao Vit)

Critically Endangered

19

Nomascus siki

Southern White-cheeked Crested Gibbon

Critically Endangered

20

Symphalangus syndactylus

Siamang

Endangered      

© 2020 IUCN SSC PSG SGA ARRC Task Force