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Location Congo, Kouilou
Central coordinates 12o 22.00' East  4o 12.00' South
IBA criteria A1, A3
Area 136,000 ha
Altitude 300 - 670m
Year of IBA assessment 2001





Site description The site embraces a section of the Mayombe massif, which covers c.11,000 km² in Congo, in an area of rather steep hills. The main forest-type is evergreen or semi-evergreen rainforest with a very mixed canopy. There is some monodominant Gilbertiodendron dewevrei forest on the eastern side of the reserve, near the ecotone with the Niari savannas, and some small grassy clearings (savanes incluses), mainly in the eastern section. The southern edge of the reserve coincides with the main road and, for part of its length, the railway line connecting Brazzaville to Pointe-Noire, along which lie several large settlements (in 1987 the three main villages of Mvouti, Mpounga and Les Saras numbered 7,000 inhabitants). There is also a road running into the reserve to the villages of Dimonika and Makaba. Various stages of forest regrowth and young Musanga forest are encountered in the vicinity of villages and associated plantations of cassava and banana.

Populations of IBA trigger species

Species Season Period Population estimate Quality of estimate IBA Criteria IUCN Category
Black Guineafowl Agelastes niger resident  1999  present  A3  Least Concern 
Plumed Guineafowl Guttera plumifera resident  1999  present  A3  Least Concern 
Forest Francolin Francolinus lathami resident  1999  present  A3  Least Concern 
Spot-breasted Ibis Bostrychia rara resident  1999  present  A3  Least Concern 
White-crested Tiger-heron Tigriornis leucolopha resident  1999  present  A3  Least Concern 
Congo Serpent-eagle Dryotriorchis spectabilis resident  1999  present  A3  Least Concern 
Chestnut-flanked Sparrowhawk Accipiter castanilius resident  1999  present  A3  Least Concern 
Long-tailed Hawk Urotriorchis macrourus resident  1999  present  A3  Least Concern 
Cassin's Hawk-eagle Aquila africanus resident  1999  present  A3  Least Concern 
White-spotted Flufftail Sarothrura pulchra resident  1999  present  A3  Least Concern 
Nkulengu Rail Himantornis haematopus resident  1999  present  A3  Least Concern 
Grey-throated Rail Canirallus oculeus resident  1999  present  A3  Least Concern 
Afep Pigeon Columba unicincta resident  1999  present  A3  Least Concern 
Western Bronze-naped Pigeon Columba iriditorques resident  1999  present  A3  Least Concern 
Blue-headed Wood-dove Turtur brehmeri resident  1999  present  A3  Least Concern 
Psittacus erithacus resident  1999  present  A3  Not Recognised 
Guinea Turaco Tauraco persa resident  1999  present  A3  Least Concern 
Yellow-billed Turaco Tauraco macrorhynchus resident  1999  present  A3  Least Concern 
Olive Long-tailed Cuckoo Cercococcyx olivinus resident  1999  present  A3  Least Concern 
Yellow-throated Cuckoo Chrysococcyx flavigularis resident  1999  present  A3  Least Concern 
Gabon Coucal Centropus anselli resident  1999  present  A3  Least Concern 
Fraser's Eagle-owl Bubo poensis resident  1999  present  A3  Least Concern 
Shelley's Eagle-owl Bubo shelleyi resident  1999  present  A3  Near Threatened 
Akun Eagle-owl Bubo leucostictus resident  1999  present  A3  Least Concern 
Vermiculated Fishing-owl Scotopelia bouvieri resident  1999  present  A3  Least Concern 
Maned Owl Jubula lettii resident  1999  present  A3  Data Deficient 
Red-chested Owlet Glaucidium tephronotum resident  1999  present  A3  Least Concern 
Sjostedt's Owlet Glaucidium sjostedti resident  1999  present  A3  Least Concern 
Bates's Nightjar Caprimulgus batesi resident  1999  present  A3  Least Concern 
Sabine's Spinetail Rhaphidura sabini resident  1999  present  A3  Least Concern 
Cassin's Spinetail Neafrapus cassini resident  1999  present  A3  Least Concern 
Bare-cheeked Trogon Apaloderma aequatoriale resident  1999  present  A3  Least Concern 
Blue-throated Roller Eurystomus gularis resident  1999  present  A3  Least Concern 
Chocolate-backed Kingfisher Halcyon badia resident  1999  present  A3  Least Concern 
African Dwarf-kingfisher Ceyx lecontei resident  1999  present  A3  Least Concern 
White-bellied Kingfisher Alcedo leucogaster resident  1999  present  A3  Least Concern 
Black Bee-eater Merops gularis resident  1999  present  A3  Least Concern 
Merops muelleri resident  1999  present  A3  Not Recognised 
Rosy Bee-eater Merops malimbicus breeding  1999  unknown  A3  Least Concern 
Black Dwarf Hornbill Tockus hartlaubi resident  1999  present  A3  Least Concern 
Red-billed Dwarf Hornbill Tockus camurus resident  1999  present  A3  Least Concern 
African Pied Hornbill Tockus fasciatus resident  1999  present  A3  Least Concern 
White-crested Hornbill Tropicranus albocristatus resident  1999  present  A3  Least Concern 
Piping Hornbill Bycanistes fistulator resident  1999  present  A3  Least Concern 
White-thighed Hornbill Bycanistes albotibialis resident  1999  present  A3  Least Concern 
Black-casqued Hornbill Ceratogymna atrata resident  1999  present  A3  Least Concern 
Naked-faced Barbet Gymnobucco calvus resident  1999  present  A3  Least Concern 
Bristle-nosed Barbet Gymnobucco peli resident  1999  present  A3  Least Concern 
Speckled Tinkerbird Pogoniulus scolopaceus resident  1999  present  A3  Least Concern 
Red-rumped Tinkerbird Pogoniulus atroflavus resident  1999  present  A3  Least Concern 
Yellow-throated Tinkerbird Pogoniulus subsulphureus resident  1999  present  A3  Least Concern 
Yellow-spotted Barbet Buccanodon duchaillui resident  1999  present  A3  Least Concern 
Hairy-breasted Barbet Tricholaema hirsuta resident  1999  present  A3  Least Concern 
Yellow-billed Barbet Trachyphonus purpuratus resident  1999  present  A3  Least Concern 
Cassin's Honeyguide Prodotiscus insignis resident  1999  present  A3  Least Concern 
Spotted Honeyguide Indicator maculatus resident  1999  present  A3  Least Concern 
Lyre-tailed Honeyguide Melichneutes robustus resident  1999  present  A3  Least Concern 
Buff-spotted Woodpecker Campethera nivosa resident  1999  present  A3  Least Concern 
Brown-eared Woodpecker Campethera caroli resident  1999  present  A3  Least Concern 
Gabon Woodpecker Dendropicos gabonensis resident  1999  present  A3  Least Concern 
Golden-crowned Woodpecker Thripias xantholophus resident  1999  present  A3  Least Concern 
Rufous-sided Broadbill Smithornis rufolateralis resident  1999  present  A3  Least Concern 
Chestnut Wattle-eye Platysteira castanea resident  1999  present  A3  Least Concern 
Chestnut-bellied Helmet-shrike Prionops caniceps resident  1999  present  A3  Least Concern 
Fiery-breasted Bush-shrike Malaconotus cruentus resident  1999  present  A3  Least Concern 
Red-eyed Puffback Dryoscopus senegalensis resident  1999  present  A3  Least Concern 
Large-billed Puffback Dryoscopus sabini resident  1999  present  A3  Least Concern 
Sooty Boubou Laniarius leucorhynchus resident  1999  present  A3  Least Concern 
Blue Cuckooshrike Coracina azurea resident  1999  present  A3  Least Concern 
Western Black-headed Oriole Oriolus brachyrhynchus resident  1999  present  A3  Least Concern 
Black-winged Oriole Oriolus nigripennis resident  1999  present  A3  Least Concern 
Shining Drongo Dicrurus atripennis resident  1999  present  A3  Least Concern 
Black-headed Paradise-flycatcher Terpsiphone rufiventer resident  1999  present  A3  Least Concern 
Blue-headed Crested-flycatcher Trochocercus nitens resident  1999  present  A3  Least Concern 
Rufous-vented Paradise-flycatcher Terpsiphone rufocinerea resident  1999  present  A3  Least Concern 
Chestnut-capped Flycatcher Erythrocercus mccallii resident  1999  present  A3  Least Concern 
Forest Penduline-tit Anthoscopus flavifrons resident  1999  present  A3  Least Concern 
Tit-hylia Pholidornis rushiae resident  1999  present  A3  Least Concern 
African River-martin Pseudochelidon eurystomina passage  1999  present  A3  Data Deficient 
Square-tailed Saw-wing Psalidoprocne nitens resident  1999  present  A3  Least Concern 
White-throated Blue Swallow Hirundo nigrita resident  1999  present  A3  Least Concern 
Chattering Cisticola Cisticola anonymus resident  1999  present  A3  Least Concern 
Apalis rufogularis resident  1999  present  A3  Not Recognised 
Yellow-browed Camaroptera Camaroptera superciliaris resident  1999  present  A3  Least Concern 
Olive-green Camaroptera Camaroptera chloronota resident  1999  present  A3  Least Concern 
Grey Greenbul Andropadus gracilis resident  1999  present  A3  Least Concern 
Ansorge's Greenbul Andropadus ansorgei resident  1999  present  A3  Least Concern 
Plain Greenbul Andropadus curvirostris resident  1999  present  A3  Least Concern 
Golden Greenbul Calyptocichla serina resident  1999  present  A3  Least Concern 
Honeyguide Greenbul Baeopogon indicator resident  1999  present  A3  Least Concern 
White-tailed Greenbul Baeopogon clamans resident  1999  present  A3  Least Concern 
Spotted Greenbul Ixonotus guttatus resident  1999  present  A3  Least Concern 
Simple Greenbul Chlorocichla simplex resident  1999  present  A3  Least Concern 
Yellow-necked Greenbul Chlorocichla falkensteini resident  1999  present  A3  Least Concern 
Swamp Greenbul Thescelocichla leucopleura resident  1999  present  A3  Least Concern 
White-throated Greenbul Phyllastrephus albigularis resident  1999  present  A3  Least Concern 
Icterine Greenbul Phyllastrephus icterinus resident  1999  present  A3  Least Concern 
Common Bristlebill Bleda syndactylus resident  1999  present  A3  Least Concern 
Lesser Bristlebill Bleda notatus resident  1999  present  A3  Least Concern 
Green-backed Bulbul Criniger chloronotus resident  1999  present  A3  Least Concern 
Red-tailed Bulbul Criniger calurus resident  1999  present  A3  Least Concern 
White-bearded Bulbul Criniger ndussumensis resident  1999  present  A3  Least Concern 
Yellow-spotted Nicator Nicator chloris resident  1999  present  A3  Least Concern 
Yellow-throated Nicator Nicator vireo resident  1999  present  A3  Least Concern 
Yellow Longbill Macrosphenus flavicans resident  1999  present  A3  Least Concern 
Grey Longbill Macrosphenus concolor resident  1999  present  A3  Least Concern 
Violet-backed Hyliota Hyliota violacea resident  1999  present  A3  Least Concern 
Green Hylia Hylia prasina resident  1999  present  A3  Least Concern 
Rufous-crowned Eremomela Eremomela badiceps resident  1999  present  A3  Least Concern 
Green Crombec Sylvietta virens resident  1999  present  A3  Least Concern 
Blackcap Illadopsis Illadopsis cleaveri resident  1999  present  A3  Least Concern 
Brown Illadopsis Illadopsis fulvescens resident  1999  present  A3  Least Concern 
Purple-headed Glossy-starling Lamprotornis purpureiceps resident  1999  present  A3  Least Concern 
Chestnut-winged Starling Onychognathus fulgidus resident  1999  present  A3  Least Concern 
White-tailed Ant-thrush Neocossyphus poensis resident  1999  present  A3  Least Concern 
Rufous Flycatcher-thrush Stizorhina fraseri resident  1999  present  A3  Least Concern 
Crossley's Ground-thrush Zoothera crossleyi resident  present  A1  Near Threatened 
Alethe diademata resident  1999  present  A3  Not Recognised 
Forest Robin Stiphrornis erythrothorax resident  1999  present  A3  Least Concern 
Lowland Akalat Sheppardia cyornithopsis resident  1999  present  A3  Least Concern 
African Forest Flycatcher Fraseria ocreata resident  1999  present  A3  Least Concern 
Sooty Flycatcher Muscicapa infuscata resident  1999  present  A3  Least Concern 
Olivaceous Flycatcher Muscicapa olivascens resident  1999  present  A3  Least Concern 
Little Grey Flycatcher Muscicapa epulata resident  1999  present  A3  Least Concern 
Yellow-footed Flycatcher Muscicapa sethsmithi resident  1999  present  A3  Least Concern 
Dusky-blue Flycatcher Muscicapa comitata resident  1999  present  A3  Least Concern 
Cassin's Grey Flycatcher Muscicapa cassini resident  1999  present  A3  Least Concern 
Scarlet-tufted Sunbird Anthreptes fraseri resident  1999  present  A3  Least Concern 
Mouse-brown Sunbird Anthreptes gabonicus resident  1999  present  A3  Least Concern 
Green Sunbird Anthreptes rectirostris resident  1999  present  A3  Least Concern 
Little Green Sunbird Nectarinia seimundi resident  1999  present  A3  Least Concern 
Blue-throated Brown Sunbird Nectarinia cyanolaema resident  1999  present  A3  Least Concern 
Carmelite Sunbird Nectarinia fuliginosa resident  1999  present  A3  Least Concern 
Green-throated Sunbird Nectarinia rubescens resident  1999  present  A3  Least Concern 
Tiny Sunbird Nectarinia minulla resident  1999  present  A3  Least Concern 
Johanna's Sunbird Nectarinia johannae resident  1999  present  A3  Least Concern 
Superb Sunbird Nectarinia superba resident  1999  present  A3  Least Concern 
Vieillot's Black Weaver Ploceus nigerrimus resident  1999  present  A3  Least Concern 
Yellow-mantled Weaver Ploceus tricolor resident  1999  present  A3  Least Concern 
Black-throated Malimbe Malimbus cassini resident  1999  present  A3  Least Concern 
Red-bellied Malimbe Malimbus erythrogaster resident  1999  present  A3  Least Concern 
Gray's Malimbe Malimbus nitens resident  1999  present  A3  Least Concern 
Crested Malimbe Malimbus malimbicus resident  1999  present  A3  Least Concern 
Red-headed Malimbe Malimbus rubricollis resident  1999  present  A3  Least Concern 
Woodhouse's Antpecker Parmoptila woodhousei resident  1999  present  A3  Least Concern 
White-breasted Negrofinch Nigrita fusconotus resident  1999  present  A3  Least Concern 
Chestnut-breasted Negrofinch Nigrita bicolor resident  1999  present  A3  Least Concern 
Pale-fronted Negrofinch Nigrita luteifrons resident  1999  present  A3  Least Concern 
Western Bluebill Spermophaga haematina resident  1999  present  A3  Least Concern 

Protected areas

Protected area Designation Area (ha) Relationship with IBA Overlap with IBA (ha)  
Dimonika-Mayombe Nature Reserve 136,000 is identical to site 136,000  
Réserve de la biosphère de Dimonika UNESCO-MAB Biosphere Reserve 136,000 protected area contained by site 62,000  

Habitats

IUCN habitat Habitat detail Extent (% of site)
Artificial - terrestrial   1%
Unknown   2%
Forest   96%

Land use

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

Other biodiversity Large mammals such as Loxodonta africana (EN), Syncerus caffer nanus (LR/cd), Mandrillus sphinx (LR/nt) and small arboreal monkeys have been largely hunted out, but there are still good numbers of Gorilla gorilla (EN) and Pan troglodytes (EN).

References Dowsett and Dowsett-Lemaire (1991), Dowsett-Lemaire and Dowsett (1989), Sénéchal et al. (1989).

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Recommended citation  BirdLife International (2014) Important Bird Areas factsheet: Dimonika Biosphere Reserve. Downloaded from http://www.birdlife.org on 10/07/2014

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