Kloss's gibbon  (Hylobates klossii)

Arboreal: Living in trees.
Brachiation: In some primates, a method of locomotion when the animal swings hand over hand from branch to branch.
Monogamous: Mating with a single partner.

1. IUCN Red List of Threatened Species (February, 2004)
   http://www.redlist.org
   
2. Animal Info (March, 2004)
   http://www.animalinfo.org/species/primate/hyloklos.htm
   
3. CITES (March, 2004)
   http://www.cites.org
   
4. Gibbon Conservation Centre (March, 2004)
   http://www.gibboncenter.org/hylobates.htm
   
5. Primate Behaviour (March, 2004)
   http://members.tripod.com/uakari/hylobates_klossii.html
   
6. Chivers, D.J. (2005) Pers. Comm.