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The site was identified as important in 2004 because it was regularly supporting significant populations of the species listed below, meeting ('triggering') IBA criteria.

Populations meeting IBA criteria ('trigger species') at the site:

Species	Red List1	Season	Year(s)	Size	IBA criteria
Bornean Crestless Fireback Lophura pyronota	EN	resident	2004	present	A1, A3
Cinnamon-headed Green-pigeon Treron fulvicollis	VU	resident	2000	present	A3
Large Green-pigeon Treron capellei	VU	resident	2004	present	A1, A3
Lesser Adjutant Leptoptilos javanicus	NT	resident	2004	present	A1
Storm's Stork Ciconia stormi	EN	resident	2004	present	A1, A3
Kinabalu Serpent-eagle Spilornis kinabaluensis	NT	resident	2004	present	A1, A2, A3
Wallace's Hawk-eagle Nisaetus nanus	VU	resident	2004	present	A1, A3
Malay Blue-banded Kingfisher Alcedo peninsulae	NT	resident	2004	present	A1, A3
Blue-headed Pitta Hydrornis baudii	VU	resident	2004	present	A1, A3
Chestnut-crested Yuhina Staphida everetti	LC	resident	2000	present	A2, A3
Bornean Wren-babbler Ptilocichla leucogrammica	VU	resident	2004	present	A1, A3
Grey-chested Jungle-flycatcher Cyornis umbratilis	NT	resident	2000	present	A3
Large-billed Blue Flycatcher Cyornis caerulatus	VU	resident	2004	present	A1, A3

1. The current IUCN Red List category. The category at the time of the IBA criteria assessment (2004) may differ.

Year	Protected Area	Designation	% overlap with IBA
1987	Batu Apoi (Conservation) Extension	Forest Reserve	-
1987	Batu Apoi (Productive Production) Extension	Forest Reserve	-
1991	Ulu Temburong	National Park	70

Habitat1	Habitat detail	% of IBA
Forest		-

1. IUCN Habitat classification.

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Recommended citation
BirdLife International (2024) Important Bird Area factsheet: Ulu Temburong (Brunei). Downloaded from https://datazone.birdlife.org/site/factsheet/ulu-temburong-iba-brunei on 22/11/2024.