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Site description (2003 baseline)
Located on the Mangkalihat peninsula on the border between Kabupaten Kutai and Kabupaten Berau. Karst mountains in this area are very spectacular, lowland limestone plains from Semenanjung Sangkulirang is a representative of the unique habitat of Sundaic region. Conservation action for this area is really needed. Caves with evidence of prehistoric human activities can be faond in this area. MacKinnon (1997) considere that this area need to considered as globally conservation priority.

Key biodiversity
It probably support sub-alpine birds species rather than lowland species. Great Argus Argusianus argus is a common species, as well as Moustached Hawk-cuckoo Cuculus vagans, Hodgson's Hawk-cuckoo Cuculus fugax, Gould's Bronze-cuckoo Chrysococcyx russatus. As for highland species, there are Helmeted Hornbill Rhinoplax vigil, Gold-whiskered Barbet Megalaima chrysopogon (if there is no Red-crowned Barbet Megalaima rafflesii) and White-necked Babbler Stachyris leucotis - all species are slope specialist bird in Kalimantan (different in Sumatra).

Non-bird biodiversity: Pongo pygmeus, Hylobathes muelleri, Nasalis larvatus, Presbytis rubicunda, Presbytis hosei, Presbytis frontata, Neofelis nebulosa, Bos javanicus, Helarctos malayanus, Crocodylus porosus (MacKinnon et.al.1996).

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Recommended citation
BirdLife International (2024) Important Bird Area factsheet: Sangkulirang (Indonesia). Downloaded from https://datazone.birdlife.org/site/factsheet/sangkulirang-iba-indonesia on 22/11/2024.