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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'):

Species	Current IUCN Red List Category	Season	Year(s)	Population estimate at site	IBA criteria met
Luzon Bleeding-heart Gallicolumba luzonica	NT	resident	1991-1992	frequent	A2
Spotted Imperial-pigeon Ducula carola	VU	resident	1961	rare	A1
Cream-bellied Fruit-dove Ramphiculus merrilli	NT	resident	1991-1992	frequent	A2
Flame-breasted Fruit-dove Ramphiculus marchei	VU	resident	1990-1999	frequent	A1, A2
Rufous Coucal Centropus unirufus	NT	resident	1991-1992	uncommon	A2
Red-crested Malkoha Dasylophus superciliosus	LC	resident	1991-1992	frequent	A2
Scale-feathered Malkoha Lepidogrammus cumingi	LC	resident	1991-1992	common	A2
Spotted Buttonquail Turnix ocellatus	LC	resident	1992	uncommon	A2
Luzon Highland Scops-owl Otus longicornis	NT	resident	1991	present	A2
Philippine Eagle-owl Bubo philippensis	VU	resident	1991	present	A1
Philippine Eagle Pithecophaga jefferyi	CR	resident	1991-1994	present	A1
North Philippine Hawk-eagle Nisaetus philippensis	EN	resident	1991-1992	uncommon	A1
Luzon Hornbill Penelopides manillae	LC	resident	1991-1992	common	A2
North Philippine Dwarf-kingfisher Ceyx melanurus	VU	resident	1991-1992	present	A1
Montane Racquet-tail Prioniturus montanus	NT	resident	1991	common	A2
Green Racquet-tail Prioniturus luconensis	EN	resident	1991-1992	rare	A1, A2
Whiskered Pitta Erythropitta kochi	NT	resident	1991-1992	uncommon	A1, A2
White-lored Oriole Oriolus albiloris	LC	resident	1991-1992	frequent	A2
Isabela Oriole Oriolus isabellae	CR	resident	1961	present	A1, A2
Green-backed Whistler Pachycephala albiventris	LC	resident	1991-1992	present	A2
Blackish Cicadabird Edolisoma coerulescens	LC	resident	1991-1992	common	A2
Short-crested Monarch Hypothymis helenae	NT	resident	1991-1992	frequent	A2
Celestial Monarch Hypothymis coelestis	VU	resident	1992-1995	uncommon	A1, A2
Mountain Shrike Lanius validirostris	LC	resident	1991	present	A2
White-fronted Tit Sittiparus semilarvatus	NT	resident	1991-1995	uncommon	A2
Grey-backed Tailorbird Orthotomus derbianus	LC	resident	1990-1999	present	A2
Robsonius rabori	NR	resident	1991-1992	present	A2
Golden-crowned Babbler Sterrhoptilus dennistouni	NT	resident	1991-1992	frequent	A2
Luzon Striped Babbler Zosterornis striatus	LC	resident	1991-1992	frequent	A2
Chestnut-faced Babbler Zosterornis whiteheadi	LC	resident	1991-1992	rare	A2
Grand Rhabdornis Rhabdornis grandis	LC	resident	1991-1992	uncommon	A2
Ashy Thrush Geokichla cinerea	VU	resident	1991-1992	uncommon	A1, A2
Ashy-breasted Flycatcher Muscicapa randi	VU	resident	1991-1996	present	A1, A2
Blue-breasted Blue-flycatcher Cyornis herioti	NT	resident	1991-1992	frequent	A2
White-browed Jungle-flycatcher Vauriella insignis	VU	resident	1991	present	A1, A2
Furtive Flycatcher Ficedula disposita	NT	resident	1991-1992	present	A2
Luzon Water-redstart Phoenicurus bicolor	NT	resident	1985-1996	present	A1, A2
Yellow-crowned Flowerpecker Dicaeum anthonyi	NT	resident	1991	present	A2
Green-faced Parrotfinch Erythrura viridifacies	VU	resident	1961	present	A1, A2

The current IUCN Red List category may differ from that which was valid at the time of IBA criteria assessment (2001).

Protected area (PA)	PA designation	PA area (ha)	Relationship of PA with IBA	Overlap of PA with IBA (ha)
Tumauini	Watershed Forest Reserve	17,670	protected area overlaps with site	0
Peñablanca	Protected Landscape and Seascape	118,782	protected area is adjacent to site	0
Northern Sierra Madre Mountain Range	Natural Park	359,486	protected area contained by site	287,861

Habitat (IUCN level 1)	Habitat detail	Extent (% of site)
Artificial/Terrestrial		-
Forest		-

For more information about the IUCN Habitat classification, please click here.

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Recommended citation
BirdLife International (2023) Important Bird Area factsheet: Northern Sierra Madre Natural Park. Downloaded from http://datazone.birdlife.org/site/factsheet/northern-sierra-madre-natural-park-iba-philippines on 01/12/2023.