IBA criteria met: A2 (2002)
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Area: 76,224 ha
Site description (baseline)
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)
BirdLife International (2023) Important Bird Area factsheet: Puncak Ngengas. Downloaded from http://datazone.birdlife.org/site/factsheet/15925 on 08/06/2023.