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The site was identified as important in 2001 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
Sulu Bleeding-heart Gallicolumba menagei	CR	resident	1891	present	A1, A2
Tawitawi Brown-dove Phapitreron cinereiceps	EN	resident	1990	common	A1, A2
Grey Imperial-pigeon Ducula pickeringii	VU	resident	1990	present	A1, A2
Philippine Spinetail Mearnsia picina	NT	resident	1990-1999	present	A2
Sulu Hornbill Anthracoceros montani	CR	resident	1990-1999	20 breeding pairs	A1, A2
Rufous-lored Kingfisher Todiramphus winchelli	VU	resident	1980-1999	common	A1
Sulu Pygmy Woodpecker Picoides ramsayi	VU	resident	1990-1999	present	A1
Philippine Cockatoo Cacatua haematuropygia	CR	resident	1995	rare	A1
Sulu Racquet-tail Prioniturus verticalis	CR	resident	1998	frequent	A1, A2
Celestial Monarch Hypothymis coelestis	VU	resident	1990	present	A1, A2
Hypsipetes everetti	NR	resident	1990-1999	common	A2

1. The current IUCN Red List category. The category at the time of the IBA criteria assessment (2001) may differ.

Habitat1	Habitat detail	% of IBA
Forest		major (>10)
Artificial/Terrestrial		-

1. IUCN Habitat classification.

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Recommended citation
BirdLife International (2024) Important Bird Area factsheet: Tawi-tawi Island (Philippines). Downloaded from https://datazone.birdlife.org/site/factsheet/tawi-tawi-island-iba-philippines on 22/11/2024.