Tawi-tawi Island

IBA Criteria

Year of most recent IBA criteria assessment: 2001

Populations of IBA trigger species
Species Current IUCN Red List Category Season Year(s) of estimate Population estimate IBA Criteria Triggered
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

Note: This table presents the IBA criteria triggered and the species that triggered then at the time of assessment, the current IUCN Red List category may vary from that which was in place at that time.

For more information about the IBA assessment process and criteria please click here


IUCN Habitat Habitat detail Extent (% of site)
Artificial/Terrestrial -
Forest -
For further information about the habitat classification please click here.

Recommended citation
BirdLife International (2021) Important Bird Areas factsheet: Tawi-tawi Island. Downloaded from on 25/06/2021.