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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
Nahan's Partridge Ptilopachus nahani	VU	resident	2000	unknown	A1, A3
Afep Pigeon Columba unicincta	LC	resident	2000	present	A3
White-naped Pigeon Columba albinucha	NT	resident	2000	present	A1, A3
Western Bronze-naped Pigeon Columba iriditorques	LC	resident	2000	unknown	A3
Blue-headed Wood-dove Turtur brehmeri	LC	resident	2000	unknown	A3
Bates's Nightjar Caprimulgus batesi	LC	resident	2000	unknown	A3
Sabine's Spinetail Rhaphidura sabini	LC	resident	2000	unknown	A3
Yellow-throated Cuckoo Chrysococcyx flavigularis	LC	resident	2000	unknown	A3
Dusky Long-tailed Cuckoo Cercococcyx mechowi	LC	resident	2000	unknown	A3
White-spotted Flufftail Sarothrura pulchra	LC	resident	2000	unknown	A3
Congo Serpent-eagle Dryotriorchis spectabilis	LC	resident	2000	unknown	A3
Cassin's Hawk-eagle Aquila africana	LC	resident	2000	unknown	A3
Chestnut-flanked Sparrowhawk Accipiter castanilius	LC	resident	2000	unknown	A3
Long-tailed Hawk Urotriorchis macrourus	LC	resident	2000	unknown	A3
Bare-cheeked Trogon Apaloderma aequatoriale	LC	resident	2000	unknown	A3
Eastern Long-tailed Hornbill Horizocerus cassini	LC	resident	2000	unknown	A3
Dwarf Hornbill Lophoceros camurus	LC	resident	2000	unknown	A3
Western Little Hornbill Horizocerus hartlaubi	LC	resident	2000	unknown	A3
Congo Pied Hornbill Lophoceros fasciatus	LC	resident	2000	unknown	A3
Black-casqued Hornbill Ceratogymna atrata	LC	resident	2000	unknown	A3
White-thighed Hornbill Bycanistes albotibialis	LC	resident	2000	unknown	A3
Black Bee-eater Merops gularis	LC	resident	2000	unknown	A3
Blue-headed Bee-eater Merops muelleri	LC	resident	2000	unknown	A3
Blue-throated Roller Eurystomus gularis	LC	resident	2000	unknown	A3
African Dwarf-kingfisher Ispidina lecontei	LC	resident	2000	unknown	A3
White-bellied Kingfisher Corythornis leucogaster	LC	resident	2000	present	A3
Chocolate-backed Kingfisher Halcyon badia	LC	resident	2000	unknown	A3
Eastern Yellow-billed Barbet Trachylaemus purpuratus	LC	resident	2000	unknown	A3
Eastern Yellow-spotted Barbet Buccanodon duchaillui	LC	resident	2000	unknown	A3
Sladen's Barbet Gymnobucco sladeni	LC	resident	2000	unknown	A3
Speckled Tinkerbird Pogoniulus scolopaceus	LC	resident	2000	unknown	A3
Red-rumped Tinkerbird Pogoniulus atroflavus	LC	resident	2000	unknown	A3
Yellow-throated Tinkerbird Pogoniulus subsulphureus	LC	resident	2000	unknown	A3
Hairy-breasted Barbet Tricholaema hirsuta	LC	resident	2000	unknown	A3
Cassin's Honeybird Prodotiscus insignis	LC	resident	2000	unknown	A3
Spotted Honeyguide Indicator maculatus	LC	resident	2000	unknown	A3
Lyre-tailed Honeyguide Melichneutes robustus	LC	resident	2000	unknown	A3
Gabon Woodpecker Dendropicos gabonensis	LC	resident	2000	unknown	A3
Buff-spotted Woodpecker Pardipicus nivosus	LC	resident	2000	unknown	A3
Brown-eared Woodpecker Pardipicus caroli	LC	resident	2000	unknown	A3
Yellow-crested Woodpecker Dendropicos xantholophus	LC	resident	2000	unknown	A3
Grey Parrot Psittacus erithacus	EN	resident	2000	unknown	A3
Black-collared Lovebird Agapornis swindernianus	LC	resident	2000	unknown	A3
Green-breasted Pitta Pitta reichenowi	LC	resident	2000	unknown	A3
Rufous-sided Broadbill Smithornis rufolateralis	LC	resident	2000	unknown	A3
Western Black-headed Oriole Oriolus brachyrynchus	LC	resident	2000	unknown	A3
African Shrike-flycatcher Megabyas flammulatus	LC	resident	2000	unknown	A3
Jameson's Wattle-eye Dyaphorophyia jamesoni	LC	resident	2000	unknown	A3
Chestnut Wattle-eye Dyaphorophyia castanea	LC	resident	2000	unknown	A3
Western Crested-flycatcher Trochocercus nitens	LC	resident	2000	unknown	A3
Bedford's Paradise-flycatcher Terpsiphone bedfordi	LC	resident	2000	present	A1, A2, A3
Red-bellied Paradise-flycatcher Terpsiphone rufiventer	LC	resident	2000	unknown	A3
Violet-backed Hyliota Hyliota violacea	LC	resident	2000	unknown	A3
Dusky Tit Melaniparus funereus	LC	resident	2000	unknown	A3
Western Nicator Nicator chloris	LC	resident	2000	unknown	A3
Green Crombec Sylvietta virens	LC	resident	2000	unknown	A3
Yellow Longbill Macrosphenus flavicans	LC	resident	2000	unknown	A3
Grey Longbill Macrosphenus concolor	LC	resident	2000	unknown	A3
Rufous-crowned Eremomela Eremomela badiceps	LC	resident	2000	unknown	A3
Tawny-breasted Camaroptera Camaroptera toroensis	LC	resident	2000	unknown	A3
Square-tailed Saw-wing Psalidoprocne nitens	LC	resident	2000	unknown	A3
Red-tailed Bristlebill Bleda syndactylus	LC	resident	2000	unknown	A3
Spotted Greenbul Ixonotus guttatus	LC	resident	2000	unknown	A3
Swamp Palm Bulbul Thescelocichla leucopleura	LC	resident	2000	unknown	A3
Honeyguide Greenbul Baeopogon indicator	LC	resident	2000	unknown	A3
Simple Greenbul Chlorocichla simplex	LC	resident	2000	unknown	A3
Grey Greenbul Eurillas gracilis	LC	resident	2000	unknown	A3
Plain Greenbul Eurillas curvirostris	LC	resident	2000	unknown	A3
Red-tailed Greenbul Criniger calurus	LC	resident	2000	unknown	A3
Xavier's Greenbul Phyllastrephus xavieri	LC	resident	2000	unknown	A3
Sassi's Olive Greenbul Phyllastrephus lorenzi	LC	resident	2000	present	A1, A2, A3
Icterine Greenbul Phyllastrephus icterinus	LC	resident	2000	unknown	A3
Green Hylia Hylia prasina	LC	resident	2000	unknown	A3
Tit-hylia Pholidornis rushiae	LC	resident	2000	present	A3
Brown Illadopsis Illadopsis fulvescens	LC	resident	2000	unknown	A3
Scaly-breasted Illadopsis Illadopsis albipectus	LC	resident	2000	unknown	A3
Grey-caped Capuchin Babbler Phyllanthus bohndorffi	LC	resident	2000	unknown	A3
Chestnut-winged Starling Onychognathus fulgidus	LC	resident	2000	unknown	A3
Narrow-tailed Starling Poeoptera lugubris	LC	resident	2000	unknown	A3
Purple-headed Starling Hylopsar purpureiceps	LC	resident	2000	unknown	A3
White-tailed Ant-thrush Neocossyphus poensis	LC	resident	2000	unknown	A3
Rufous Flycatcher-thrush Stizorhina fraseri	LC	resident	2000	unknown	A3
Oberländer's Ground-thrush Geokichla oberlaenderi	NT	resident	2000	present	A1, A2, A3
Fire-crested Alethe Alethe castanea	LC	resident	2000	unknown	A3
Little Grey Flycatcher Muscicapa epulata	LC	resident	2000	unknown	A3
Yellow-footed Flycatcher Muscicapa sethsmithi	LC	resident	2000	unknown	A3
Dusky-blue Flycatcher Bradornis comitatus	LC	resident	2000	unknown	A3
African Forest-flycatcher Fraseria ocreata	LC	resident	2000	unknown	A3
Olivaceous Flycatcher Fraseria olivascens	LC	resident	2000	unknown	A3
Blue-shouldered Robin-chat Cossypha cyanocampter	LC	resident	2000	unknown	A3
Grey-headed Sunbird Deleornis axillaris	LC	resident	2000	unknown	A3
Grey-chinned Sunbird Anthreptes tephrolaemus	LC	resident	2000	unknown	A3
Blue-throated Brown Sunbird Cyanomitra cyanolaema	LC	resident	2000	unknown	A3
Green-throated Sunbird Chalcomitra rubescens	LC	resident	2000	unknown	A3
Vieillot's Black Weaver Ploceus nigerrimus	LC	resident	2000	unknown	A3
Grant's Bluebill Spermophaga poliogenys	LC	resident	2000	present	A3
White-breasted Nigrita Nigrita fusconotus	LC	resident	2000	unknown	A3
Chestnut-breasted Nigrita Nigrita bicolor	LC	resident	2000	unknown	A3
Pale-fronted Nigrita Nigrita luteifrons	LC	resident	2000	unknown	A3

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)
Hoyo Mont	Strict Nature Reserve	20,000	is identical to site	58,000

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

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

Land-use	Extent (% of site)
nature conservation and research	-

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Recommended citation
BirdLife International (2023) Important Bird Area factsheet: Mount Hoyo Reserve. Downloaded from http://datazone.birdlife.org/site/factsheet/mount-hoyo-reserve-iba-congo-the-democratic-republic-of-the on 06/12/2023.