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Location Congo, The Democratic Republic of the, Orientale
Central coordinates 29o 49.86' East  1o 13.38' North
IBA criteria A1, A2, A3
Area 58,000 ha
Altitude 1,000 - 1,450m
Year of IBA assessment 2001





Site description The site comprises Mount Hoyo (1,450 m) and the surrounding, approximately circular, area of forest. The site is located at the northern end of the Rwenzori range, in north-eastern DR Congo, between the Lendu plateau (IBA CD007) to the north and Virunga National Park (CD010) to the south, some 125 km north of the town of Béni. It lies close to the border with Uganda and between the Bombu, Yaonda, Kalakala and Loya rivers. It forms the eastern part of the Ituri forest and is linked to Virunga National Park by a corridor between the Makayova and Abia rivers. The mountain is riddled with caves and there are some waterfalls. Human population densities are low.

Populations of IBA trigger species

Species Season Period Population estimate Quality of estimate IBA Criteria IUCN Category
Nahan's Francolin Francolinus nahani resident  2000  unknown [units unknown]  A1, A3  Endangered 
Congo Serpent-eagle Dryotriorchis spectabilis resident  2000  unknown [units unknown]  A3  Least Concern 
Chestnut-flanked Sparrowhawk Accipiter castanilius resident  2000  unknown [units unknown]  A3  Least Concern 
Long-tailed Hawk Urotriorchis macrourus resident  2000  unknown [units unknown]  A3  Least Concern 
Mountain Buzzard Buteo oreophilus resident  2000  unknown [units unknown]    Least Concern 
Cassin's Hawk-eagle Aquila africanus resident  2000  unknown [units unknown]  A3  Least Concern 
White-spotted Flufftail Sarothrura pulchra resident  2000  unknown [units unknown]  A3  Least Concern 
Afep Pigeon Columba unicincta resident  2000  present [units unknown]  A3  Least Concern 
White-naped Pigeon Columba albinucha resident  2000  present [units unknown]  A1, A3  Near Threatened 
Western Bronze-naped Pigeon Columba iriditorques resident  2000  unknown [units unknown]  A3  Least Concern 
Blue-headed Wood-dove Turtur brehmeri resident  2000  unknown [units unknown]  A3  Least Concern 
Black-collared Lovebird Agapornis swindernianus resident  2000  unknown [units unknown]  A3  Least Concern 
Psittacus erithacus resident  2000  unknown [units unknown]  A3  Not Recognised 
Ruwenzori Turaco Ruwenzorornis johnstoni resident  2000  unknown [units unknown]    Least Concern 
Dusky Long-tailed Cuckoo Cercococcyx mechowi resident  2000  unknown [units unknown]  A3  Least Concern 
Yellow-throated Cuckoo Chrysococcyx flavigularis resident  2000  unknown [units unknown]  A3  Least Concern 
Ruwenzori Nightjar Caprimulgus ruwenzorii resident  2000  unknown [units unknown]    Least Concern 
Bates's Nightjar Caprimulgus batesi resident  2000  unknown [units unknown]  A3  Least Concern 
Scarce Swift Schoutedenapus myoptilus resident  2000  unknown [units unknown]    Least Concern 
Sabine's Spinetail Rhaphidura sabini resident  2000  unknown [units unknown]  A3  Least Concern 
Bare-cheeked Trogon Apaloderma aequatoriale resident  2000  unknown [units unknown]  A3  Least Concern 
Blue-throated Roller Eurystomus gularis resident  2000  unknown [units unknown]  A3  Least Concern 
Chocolate-backed Kingfisher Halcyon badia resident  2000  unknown [units unknown]  A3  Least Concern 
African Dwarf-kingfisher Ceyx lecontei resident  2000  unknown [units unknown]  A3  Least Concern 
White-bellied Kingfisher Alcedo leucogaster resident  2000  present [units unknown]  A3  Least Concern 
Black Bee-eater Merops gularis resident  2000  unknown [units unknown]  A3  Least Concern 
Merops muelleri resident  2000  unknown [units unknown]  A3  Not Recognised 
Cinnamon-chested Bee-eater Merops oreobates resident  2000  unknown [units unknown]    Least Concern 
Black Dwarf Hornbill Tockus hartlaubi resident  2000  unknown [units unknown]  A3  Least Concern 
Red-billed Dwarf Hornbill Tockus camurus resident  2000  unknown [units unknown]  A3  Least Concern 
African Pied Hornbill Tockus fasciatus resident  2000  unknown [units unknown]  A3  Least Concern 
White-crested Hornbill Tropicranus albocristatus resident  2000  unknown [units unknown]  A3  Least Concern 
White-thighed Hornbill Bycanistes albotibialis resident  2000  unknown [units unknown]  A3  Least Concern 
Black-casqued Hornbill Ceratogymna atrata resident  2000  unknown [units unknown]  A3  Least Concern 
Sladen's Barbet Gymnobucco sladeni resident  2000  unknown [units unknown]  A3  Least Concern 
Speckled Tinkerbird Pogoniulus scolopaceus resident  2000  unknown [units unknown]  A3  Least Concern 
Western Green-tinkerbird Pogoniulus coryphaeus resident  2000  unknown [units unknown]    Least Concern 
Red-rumped Tinkerbird Pogoniulus atroflavus resident  2000  unknown [units unknown]  A3  Least Concern 
Yellow-throated Tinkerbird Pogoniulus subsulphureus resident  2000  unknown [units unknown]  A3  Least Concern 
Yellow-spotted Barbet Buccanodon duchaillui resident  2000  unknown [units unknown]  A3  Least Concern 
Hairy-breasted Barbet Tricholaema hirsuta resident  2000  unknown [units unknown]  A3  Least Concern 
Yellow-billed Barbet Trachyphonus purpuratus resident  2000  unknown [units unknown]  A3  Least Concern 
Cassin's Honeyguide Prodotiscus insignis resident  2000  unknown [units unknown]  A3  Least Concern 
Spotted Honeyguide Indicator maculatus resident  2000  unknown [units unknown]  A3  Least Concern 
Lyre-tailed Honeyguide Melichneutes robustus resident  2000  unknown [units unknown]  A3  Least Concern 
Tullberg's Woodpecker Campethera tullbergi resident  2000  unknown [units unknown]    Least Concern 
Buff-spotted Woodpecker Campethera nivosa resident  2000  unknown [units unknown]  A3  Least Concern 
Brown-eared Woodpecker Campethera caroli resident  2000  unknown [units unknown]  A3  Least Concern 
Speckle-breasted Woodpecker Dendropicos poecilolaemus resident  2000    Least Concern 
Gabon Woodpecker Dendropicos gabonensis resident  2000  unknown [units unknown]  A3  Least Concern 
Golden-crowned Woodpecker Thripias xantholophus resident  2000  unknown [units unknown]  A3  Least Concern 
Rufous-sided Broadbill Smithornis rufolateralis resident  2000  unknown [units unknown]  A3  Least Concern 
Green-breasted Pitta Pitta reichenowi resident  2000  unknown [units unknown]  A3  Least Concern 
African Shrike-flycatcher Megabyas flammulatus resident  2000  unknown [units unknown]  A3  Least Concern 
Chestnut Wattle-eye Platysteira castanea resident  2000  unknown [units unknown]  A3  Least Concern 
Jameson's Wattle-eye Platysteira jamesoni resident  2000  unknown [units unknown]  A3  Least Concern 
Mountain Boubou Laniarius poensis resident  2000  unknown [units unknown]    Least Concern 
Western Black-headed Oriole Oriolus brachyrhynchus resident  2000  unknown [units unknown]  A3  Least Concern 
Black-headed Paradise-flycatcher Terpsiphone rufiventer resident  2000  unknown [units unknown]  A3  Least Concern 
Blue-headed Crested-flycatcher Trochocercus nitens resident  2000  unknown [units unknown]  A3  Least Concern 
Bedford's Paradise-flycatcher Terpsiphone bedfordi resident  2000  present [units unknown]  A1, A2, A3  Near Threatened 
Dusky Tit Parus funereus resident  2000  unknown [units unknown]  A3  Least Concern 
Tit-hylia Pholidornis rushiae resident  2000  present [units unknown]  A3  Least Concern 
Square-tailed Saw-wing Psalidoprocne nitens resident  2000  unknown [units unknown]  A3  Least Concern 
Chubb's Cisticola Cisticola chubbi resident  2000  unknown [units unknown]    Least Concern 
Black-faced Apalis Apalis personata resident  2000  unknown [units unknown]    Least Concern 
Olive-green Camaroptera Camaroptera chloronota resident  2000  unknown [units unknown]  A3  Least Concern 
Eastern Mountain Greenbul Andropadus nigriceps resident  2000  unknown [units unknown]    Least Concern 
Grey Greenbul Andropadus gracilis resident  2000  unknown [units unknown]  A3  Least Concern 
Plain Greenbul Andropadus curvirostris resident  2000  unknown [units unknown]  A3  Least Concern 
Honeyguide Greenbul Baeopogon indicator resident  2000  unknown [units unknown]  A3  Least Concern 
Spotted Greenbul Ixonotus guttatus resident  2000  unknown [units unknown]  A3  Least Concern 
Simple Greenbul Chlorocichla simplex resident  2000  unknown [units unknown]  A3  Least Concern 
Swamp Greenbul Thescelocichla leucopleura resident  2000  unknown [units unknown]  A3  Least Concern 
Icterine Greenbul Phyllastrephus icterinus resident  2000  unknown [units unknown]  A3  Least Concern 
Icterine Greenbul Phyllastrephus icterinus resident  2000  present [units unknown]  A1, A2, A3  Least Concern 
Xavier's Greenbul Phyllastrephus xavieri resident  2000  unknown [units unknown]  A3  Least Concern 
Common Bristlebill Bleda syndactylus resident  2000  unknown [units unknown]  A3  Least Concern 
Red-tailed Bulbul Criniger calurus resident  2000  unknown [units unknown]  A3  Least Concern 
Yellow-spotted Nicator Nicator chloris resident  2000  unknown [units unknown]  A3  Least Concern 
Yellow Longbill Macrosphenus flavicans resident  2000  unknown [units unknown]  A3  Least Concern 
Grey Longbill Macrosphenus concolor resident  2000  unknown [units unknown]  A3  Least Concern 
Violet-backed Hyliota Hyliota violacea resident  2000  unknown [units unknown]  A3  Least Concern 
Green Hylia Hylia prasina resident  2000  unknown [units unknown]  A3  Least Concern 
Rufous-crowned Eremomela Eremomela badiceps resident  2000  unknown [units unknown]  A3  Least Concern 
Green Crombec Sylvietta virens resident  2000  unknown [units unknown]  A3  Least Concern 
White-browed Crombec Sylvietta leucophrys resident  2000  unknown [units unknown]    Least Concern 
Scaly-breasted Illadopsis Illadopsis albipectus resident  2000  unknown [units unknown]  A3  Least Concern 
Brown Illadopsis Illadopsis fulvescens resident  2000  unknown [units unknown]  A3  Least Concern 
Mountain Illadopsis Illadopsis pyrrhoptera resident  2000  unknown [units unknown]    Least Concern 
Grey-chested Babbler Kakamega poliothorax resident  2000  unknown [units unknown]    Least Concern 
African Hill Babbler Pseudoalcippe abyssinica resident  2000  unknown [units unknown]    Least Concern 
Capuchin Babbler Phyllanthus atripennis resident  2000  unknown [units unknown]  A3  Least Concern 
Purple-headed Glossy-starling Lamprotornis purpureiceps resident  2000  unknown [units unknown]  A3  Least Concern 
Sharpe's Starling Cinnyricinclus sharpii resident  2000  unknown [units unknown]    Least Concern 
Waller's Starling Onychognathus walleri resident  2000  unknown [units unknown]    Least Concern 
Chestnut-winged Starling Onychognathus fulgidus resident  2000  unknown [units unknown]  A3  Least Concern 
Slender-billed Starling Onychognathus tenuirostris resident  2000  unknown [units unknown]    Least Concern 
Narrow-tailed Starling Poeoptera lugubris resident  2000  unknown [units unknown]  A3  Least Concern 
White-tailed Ant-thrush Neocossyphus poensis resident  2000  unknown [units unknown]  A3  Least Concern 
Rufous Flycatcher-thrush Stizorhina fraseri resident  2000  unknown [units unknown]  A3  Least Concern 
Forest Ground-thrush Zoothera oberlaenderi resident  2000  present [units unknown]  A1, A2, A3  Near Threatened 
Alethe diademata resident  2000  unknown [units unknown]  A3  Not Recognised 
White-starred Robin Pogonocichla stellata resident  2000  unknown [units unknown]    Least Concern 
Blue-shouldered Robin-chat Cossypha cyanocampter resident  2000  unknown [units unknown]  A3  Least Concern 
African Forest Flycatcher Fraseria ocreata resident  2000  unknown [units unknown]  A3  Least Concern 
Olivaceous Flycatcher Muscicapa olivascens resident  2000  unknown [units unknown]  A3  Least Concern 
Little Grey Flycatcher Muscicapa epulata resident  2000  unknown [units unknown]  A3  Least Concern 
Yellow-footed Flycatcher Muscicapa sethsmithi resident  2000  unknown [units unknown]  A3  Least Concern 
Dusky-blue Flycatcher Muscicapa comitata resident  2000  unknown [units unknown]  A3  Least Concern 
Scarlet-tufted Sunbird Anthreptes fraseri resident  2000  unknown [units unknown]  A3  Least Concern 
Green Sunbird Anthreptes rectirostris resident  2000  unknown [units unknown]  A3  Least Concern 
Blue-headed Sunbird Nectarinia alinae resident  2000  unknown [units unknown]    Least Concern 
Blue-throated Brown Sunbird Nectarinia cyanolaema resident  2000  unknown [units unknown]  A3  Least Concern 
Green-throated Sunbird Nectarinia rubescens resident  2000  unknown [units unknown]  A3  Least Concern 
Regal Sunbird Nectarinia regia resident  2000  unknown [units unknown]    Least Concern 
Bronze Sunbird Nectarinia kilimensis resident  2000  unknown [units unknown]    Least Concern 
Vieillot's Black Weaver Ploceus nigerrimus resident  2000  unknown [units unknown]  A3  Least Concern 
White-breasted Negrofinch Nigrita fusconotus resident  2000  unknown [units unknown]  A3  Least Concern 
Chestnut-breasted Negrofinch Nigrita bicolor resident  2000  unknown [units unknown]  A3  Least Concern 
Pale-fronted Negrofinch Nigrita luteifrons resident  2000  unknown [units unknown]  A3  Least Concern 
Dusky Crimson-wing Cryptospiza jacksoni resident  2000  unknown [units unknown]    Least Concern 
Grant's Bluebill Spermophaga poliogenys resident  2000  present [units unknown]  A3  Least Concern 

Protected areas

Protected area Designation Area (ha) Relationship with IBA Overlap with IBA (ha)  
Hoyo Mont Strict Nature Reserve 20,000 is identical to site 58,000  

Habitats

IUCN habitat Habitat detail Extent (% of site)
Artificial - terrestrial   46%
Unknown   3%
Forest   50%

Land use

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

Other biodiversity The mammal Okapia johnstoni (LR/nt) has been recorded. An exceptional cave-dwelling fauna occurs.

References Collar and Stuart (1988), IUCN (1990), Prigogine (1985).

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Recommended citation  BirdLife International (2014) Important Bird Areas factsheet: Mount Hoyo Reserve. Downloaded from http://www.birdlife.org on 18/04/2014

To provide new information to update this factsheet or to correct any errors, please email BirdLife