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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
Luzon Bleeding-heart Gallicolumba luzonica	NT	resident (1988)	present	A2
Rufous Coucal Centropus unirufus	NT	resident (1961)	present	A2
Red-crested Malkoha Dasylophus superciliosus	LC	resident (1988)	uncommon	A2
Scale-feathered Malkoha Lepidogrammus cumingi	LC	resident (1988)	present	A2
Luzon Highland Scops-owl Otus longicornis	LC	resident (1988)	present	A2
North Philippine Hawk-eagle Nisaetus philippensis	EN	resident (1981)	present	A1
Luzon Hornbill Penelopides manillae	LC	resident (1988)	uncommon	A2
North Philippine Dwarf-kingfisher Ceyx melanurus	LC	resident (1961)	present	A1
Philippine Cockatoo Cacatua haematuropygia	CR	resident (1988)	present	A1
Whiskered Pitta Erythropitta kochi	LC	resident (1988–1997)	present	A1, A2
Green-backed Whistler Pachycephala albiventris	LC	resident (1988)	common	A2
Blackish Cicadabird Edolisoma coerulescens	LC	resident (1961)	present	A2
Short-crested Monarch Hypothymis helenae	NT	resident (1988)	present	A2
Grey-backed Tailorbird Orthotomus derbianus	LC	resident (1988)	uncommon	A2
Robsonius rabori	NR	resident (1988)	present	A2
Chestnut-faced Babbler Zosterornis whiteheadi	LC	resident (1988)	common	A2
Cyornis herioti	NR	resident (1961)	present	A2

Year	Protected Area	Designation (management category)	% coverage of IBA
2002	Mt. Isarog Natural Park	Natural Park (II)	99

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

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Recommended citation
BirdLife International (2024) Important Bird Area factsheet: Mount Isarog National Park (Philippines). Downloaded from https://datazone.birdlife.org/site/factsheet/mount-isarog-national-park-iba-philippines on 23/12/2024.