Threatened species of Hylobates klossii

Name(s): 
Threatened species of Mentawai gibbon; Kloss's gibbon; Dwarf siamang; Siamang kecil; Bilou (Siberut)
Nature 
***
Background 
Endemic to the Mentawai Islands.
Incidence 
CITES - Appendix I; U.S. ESA and IUCN - Vulnerable. Status in Indonesia is Protected.
Type 
(S) Suspect problems