Kloss's gibbon, Mentawai gibbon, bilou, dwarf siamang (Hylobates klossii)

Hylobates klossii is a species in the Hylobates genus. It is commonly known as Kloss's gibbon, Mentawai gibbon, bilou, dwarf siamang This name is unplaced name for the species in the family Hylobatidae . . This species is found in Mentawai Islands that lie to the west of Sumatra.