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The site was identified as internationally important for bird conservation 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 List	Season (year/s of estimate)	Size	IBA criteria
Philippine Duck Anas luzonica	VU	resident (1997)	600 birds	A1, A4i
Rufous Coucal Centropus unirufus	NT	resident (1997)	present	A2
Red-crested Malkoha Dasylophus superciliosus	LC	resident (1997)	present	A2
Scale-feathered Malkoha Lepidogrammus cumingi	LC	resident (1997)	present	A2
Spotted Buttonquail Turnix ocellatus	LC	resident (1997)	common	A2
Luzon Highland Scops-owl Otus longicornis	LC	resident (1996–1999)	present	A2
Philippine Eagle-owl Bubo philippensis	VU	resident (1996–1999)	present	A1
North Philippine Hawk-eagle Nisaetus philippensis	EN	resident (1997)	present	A1
Philippine Cockatoo Cacatua haematuropygia	CR	resident (1900)	present	A1
Green Racquet-tail Prioniturus luconensis	EN	resident (1994–1997)	present	A1, A2
White-lored Oriole Oriolus albiloris	LC	resident (1997)	present	A2
Blackish Cicadabird Edolisoma coerulescens	LC	resident (1997)	present	A2
White-fronted Tit Sittiparus semilarvatus	NT	resident (1997)	present	A2
Green-faced Parrotfinch Erythrura viridifacies	VU	resident (1996)	present	A1, A2

Year	Protected Area	Designation (management category)	% coverage of IBA
1987	Bataan	National Park (II)	53
1992	Subic	Watershed Forest Reserve (IV)	13
2000	Roosevelt	Protected Landscape (V)	<1

Habitat	% of IBA	Habitat detail
Forest	major (>10)
Artificial/Terrestrial	minor (<10)
Marine Intertidal	minor (<10)

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Recommended citation
BirdLife International (2024) Important Bird Area factsheet: Bataan Natural Park and Subic Bay Forest Reserve (Philippines). Downloaded from https://datazone.birdlife.org/site/factsheet/bataan-natural-park-and-subic-bay-forest-reserve-iba-philippines on 22/12/2024.