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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
Afep Pigeon Columba unicincta	LC	resident (2000)	present	A3
Sabine's Spinetail Rhaphidura sabini	LC	resident (2000)	present	A3
Gabon Coucal Centropus anselli	LC	resident (2000)	present	A3
Red-billed Dwarf Hornbill Lophoceros camurus	LC	resident (2000)	present	A3
Congo Pied Hornbill Lophoceros fasciatus	LC	resident (2000)	present	A3
Black-casqued Hornbill Ceratogymna atrata	LC	resident (2000)	present	A3
Black-and-white-casqued Hornbill Bycanistes subcylindricus	LC	resident (2000)	present	A3
White-thighed Hornbill Bycanistes albotibialis	LC	resident (2000)	present	A3
Eastern Piping Hornbill Bycanistes sharpii	LC	resident (2000)	present	A3
Eastern Long-tailed Hornbill Horizocerus cassini	LC	resident (2000)	present	A3
Black Bee-eater Merops gularis	LC	resident (2000)	present	A3
Blue-headed Bee-eater Merops muelleri	LC	resident (2000)	present	A3
African Dwarf-kingfisher Ispidina lecontei	LC	resident (2000)	present	A3
White-bellied Kingfisher Corythornis leucogaster	LC	resident (2000)	present	A3
Speckled Tinkerbird Pogoniulus scolopaceus	LC	resident (2000)	present	A3
Yellow-throated Tinkerbird Pogoniulus subsulphureus	LC	resident (2000)	present	A3
Eastern Yellow-billed Barbet Trachylaemus purpuratus	LC	resident (2000)	present	A3
Willcocks's Honeyguide Indicator willcocksi	LC	resident (2000)	present	A3
Spotted Honeyguide Indicator maculatus	LC	resident (2000)	present	A3
Buff-spotted Woodpecker Pardipicus nivosus	LC	resident (2000)	present	A3
Brown-eared Woodpecker Pardipicus caroli	LC	resident (2000)	present	A3
Rufous-sided Broadbill Smithornis rufolateralis	LC	resident (2000)	present	A3
Black-winged Oriole Oriolus nigripennis	LC	resident (2000)	present	A3
Blue Cuckooshrike Cyanograucalus azureus	LC	resident (2000)	present	A3
Shining Drongo Dicrurus atripennis	LC	resident (2000)	present	A3
Western Crested-flycatcher Trochocercus nitens	LC	resident (2000)	present	A3
Red-bellied Paradise-flycatcher Terpsiphone rufiventer	LC	resident (2000)	present	A3
Grey-necked Rockfowl Picathartes oreas	NT	resident (2000)	present	A1, A2, A3
Violet-backed Hyliota Hyliota violacea	LC	resident (2000)	present	A3
Dusky Crested-flycatcher Elminia nigromitrata	LC	resident (2000)	present	A3
Western Nicator Nicator chloris	LC	resident (2000)	present	A3
Green Crombec Sylvietta virens	LC	resident (2000)	present	A3
Grey Longbill Macrosphenus concolor	LC	resident (2000)	present	A3
Buff-throated Apalis Apalis rufogularis	LC	resident (2000)	present	A3
Yellow-browed Camaroptera Camaroptera superciliaris	LC	resident (2000)	present	A3
Olive-green Camaroptera Camaroptera chloronota	LC	resident (2000)	present	A3
Red-tailed Bristlebill Bleda syndactylus	LC	resident (2000)	present	A3
Yellow-lored Bristlebill Bleda notatus	LC	resident (2000)	present	A3
Spotted Greenbul Ixonotus guttatus	LC	resident (2000)	present	A3
Swamp Palm Bulbul Thescelocichla leucopleura	LC	resident (2000)	present	A3
Honeyguide Greenbul Baeopogon indicator	LC	resident (2000)	present	A3
Simple Greenbul Chlorocichla simplex	LC	resident (2000)	present	A3
Plain Greenbul Eurillas curvirostris	LC	resident (2000)	present	A3
Eastern Bearded Greenbul Criniger chloronotus	LC	resident (2000)	present	A3
Red-tailed Greenbul Criniger calurus	LC	resident (2000)	present	A3
White-bearded Greenbul Criniger ndussumensis	LC	resident (2000)	present	A3
Xavier's Greenbul Phyllastrephus xavieri	LC	resident (2000)	present	A3
Icterine Greenbul Phyllastrephus icterinus	LC	resident (2000)	present	A3
Chestnut-capped Flycatcher Erythrocercus mccallii	LC	resident (2000)	present	A3
Green Hylia Hylia prasina	LC	resident (2000)	present	A3
Black-capped Illadopsis Illadopsis cleaveri	LC	resident (2000)	present	A3
White-tailed Ant-thrush Neocossyphus poensis	LC	resident (2000)	present	A3
Rufous Flycatcher-thrush Stizorhina fraseri	LC	resident (2000)	present	A3
Cassin's Flycatcher Muscicapa cassini	LC	resident (2000)	present	A3
White-browed Forest-flycatcher Fraseria cinerascens	LC	resident (2000)	present	A3
African Forest-flycatcher Fraseria ocreata	LC	resident (2000)	present	A3
Grey-throated Tit-flycatcher Fraseria griseigularis	LC	resident (2000)	present	A3
Olivaceous Flycatcher Fraseria olivascens	LC	resident (2000)	present	A3
Orange-breasted Forest-robin Stiphrornis erythrothorax	LC	resident (2000)	present	A3
Lowland Akalat Sheppardia cyornithopsis	LC	resident (2000)	present	A3
Fraser's Sunbird Deleornis fraseri	LC	resident (2000)	present	A3
Cassin's Malimbe Malimbus cassini	LC	resident (2000)	present	A3
Rachel's Malimbe Malimbus racheliae	LC	resident (2000)	present	A2, A3
Crested Malimbe Malimbus malimbicus	LC	resident (2000)	present	A3
Western Bluebill Spermophaga haematina	LC	resident (2000)	present	A3
White-breasted Nigrita Nigrita fusconotus	LC	resident (2000)	present	A3

Year	Protected Area	Designation (management category)	% coverage of IBA
2000	Altos de Nsork	National Park (II)	100

Habitat	% of IBA	Habitat detail
Forest	100

Land use	% of IBA
agriculture	-
forestry	-
nature conservation and research	-

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Recommended citation
BirdLife International (2024) Important Bird Area factsheet: Nsork Highlands National Park (Equatorial Guinea). Downloaded from https://datazone.birdlife.org/site/factsheet/nsork-highlands-national-park-iba-equatorial-guinea on 22/12/2024.