This area is a big forest block in Mahakam Atas, and important because it has undisturbed lowland forest. Village along of Mahakam River, occupied by Kenyah and Bahau people (Dayak ethnic), with very strict traditional cultures.
There is no information about bird from this site. The site is near from the northern most area of White-shouldered Ibis Pseudibis davisoni (Sozer & van Der Heijden 1997)
BirdLife International (2019) Important Bird Areas factsheet: Long Bangun. Downloaded from http://www.birdlife.org on 22/10/2019.