Known also as "Puncak Ngenges", Gunung Olet Sangenges is the highest mountain in western Sumbawa and still have good forest condition (MacKinnon et.al.1982).
The decreasing of some of birds in this area caused by high level of bird catching. Yellow-crested Cockatoo Cacatua sulphurea probably already extinct in this area, and also Chestnut-backed Thrush Zoothera dohertyi is not found anymore in this area since the mid-1990s (Trainor et.al.2000)
Pressure/threats to key biodiversity
Forrest clearence for coffee plantation and timber cutting, wildlife catching and infrastructure development like road buildings and others (MacKinnon et.al.1982, Jepson & Monk 1995, Trainor et.al.2000, Jepson et.al.2001).
35000 ha of this area is proposed as Wildlife Sanctuary (Jepson & Monk 1995). Jepson et.al.2001 proposed to merged Olet Sangenges and Tatar Liangse areas.
Habitat and land use
Dry tropical deciduous forest, tropical moist deciduous forest, semi-evergreen forest and lower mountain forest (Jepson & Monk 1995, Trainor et.al.2000).Dominated by lower mountain rain forest and upper mountain rain forest at altitude between 800-1000 m (Jepson & Monk 1995).
BirdLife International (2022) Important Bird Areas factsheet: Puncak Ngengas. Downloaded from
http://www.birdlife.org on 27/11/2022.