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Location Cameroon, North-west Province
Central coordinates 10o 5.00' East  5o 49.00' North
IBA criteria A1, A2, A3
Area 1,200 ha
Altitude 1,350 - 2,100m
Year of IBA assessment 2001

Cameroon Biodiversity Conservation Society (Affiliate)



Site description Bali-Ngemba Forest Reserve is located in the valley of the Alatening stream, south-west of Bamenda. The vegetation comprises a continuous band of submontane and montane forest, much of it degraded to varying degrees. There are large Eucalyptus plantations between c.1,350–1,600 m which are exploited for timber and fuelwood. Above 1,600 m there is a patchwork of natural forests and farms. Although the understorey of the forest is much cleared for the growing of coco-yams, maize, plantains and potatoes, it retains a continuous canopy. Patches of intact forests are found mainly on the higher northern edge of the reserve. The reserve is completely surrounded and, except on the most inaccessible slopes, encroached by farmland, particularly for the cultivation of arabica coffee.

Key Biodiversity See Box and Tables 2 and 3 for key species. To date, 185 species have been recorded. Tauraco bannermani is common above 1,800 m, but has been recorded down to 1,600 m and breeds in shade trees above cocoyam plantations. However, the relatively high density of T. bannermani may be due to immigration of birds displaced by forest clearance elsewhere. Platysteira laticincta and Malaconotus gladiator also occur and, as most of the forest lies between 1,400–1,800 m, the population of the latter may be healthy. Phylloscopus herberti has been recorded recently. Five species of the Sudan–Guinea Savanna biome (A04, Table 3) and 17 of the Guinea–Congo Forests biome (Table 3) also occur; the former include Dendropicos poecilolaemus, the only IBA in Cameroon from which it has, to date, been recorded.

Non-bird biodiversity: Local reports indicate that Cercopithecus preussi (EN) may still survive, but probably not for long.

Populations of IBA trigger species

Species Season Period Population estimate Quality of estimate IBA Criteria IUCN Category
Western Green Tinkerbird Pogoniulus coryphaea resident  2000  present  A3  Least Concern 
Cameroon Olive-pigeon Columba sjostedti resident  2000  present  A2, A3  Least Concern 
Bannerman's Turaco Tauraco bannermani resident  2000  present  A1, A2, A3  Endangered 
Bar-tailed Trogon Apaloderma vittatum resident  2000  present  A3  Least Concern 
Banded Wattle-eye Platysteira laticincta resident  2000  present  A1, A2, A3  Endangered 
Green-breasted Bush-shrike Malaconotus gladiator resident  2000  present  A1, A2, A3  Vulnerable 
Yellow-breasted Boubou Laniarius atroflavus resident  2000  present  A2, A3  Least Concern 
Mountain Boubou Laniarius poensis resident  2000  present  A3  Least Concern 
Grey Cuckooshrike Coracina caesia resident  2000  present  A3  Least Concern 
White-bellied Crested-flycatcher Elminia albiventris resident  2000  present  A3  Least Concern 
Brown-backed Cisticola Cisticola discolor resident  2000  present  A2, A3  Least Concern 
Green Longtail Urolais epichlorus resident  2000  present  A2, A3  Least Concern 
Black-collared Apalis Oreolais pulchra resident  2000  present  A3  Least Concern 
Bamenda Apalis Apalis bamendae resident  2000  present  A1, A2  Least Concern 
Cameroon Montane Greenbul Andropadus montanus resident  2000  present  A1, A2, A3  Near Threatened 
Western Mountain Greenbul Andropadus tephrolaemus resident  2000  present  A2, A3  Least Concern 
Cameroon Olive Greenbul Phyllastrephus poensis resident  2000  present  A2, A3  Least Concern 
Bangwa Forest Warbler Bradypterus bangwaensis resident  2000  present  A1, A2, A3  Near Threatened 
Black-capped Woodland-warbler Phylloscopus herberti resident  2000  present  A2, A3  Least Concern 
Grey-chested Babbler Kakamega poliothorax resident  2000  present  A3  Least Concern 
African Hill Babbler Pseudoalcippe abyssinica resident  2000  present  A3  Least Concern 
Waller's Starling Onychognathus walleri resident  2000  present  A3  Least Concern 
Mountain Robin-chat Cossypha isabellae resident  2000  present  A2, A3  Least Concern 
Cameroon Sunbird Nectarinia oritis resident  2000  present  A2, A3  Least Concern 
Northern Double-collared Sunbird Nectarinia preussi resident  2000  present  A3  Least Concern 
Baglafecht Weaver Ploceus baglafecht resident  2000  present  A3  Least Concern 
Black-billed Weaver Ploceus melanogaster resident  2000  present  A3  Least Concern 
Brown-capped Weaver Ploceus insignis resident  2000  present  A3  Least Concern 
Fernando Po Oliveback Nesocharis shelleyi resident  2000  present  A2, A3  Least Concern 
Red-faced Crimson-wing Cryptospiza reichenovii resident  2000  present  A3  Least Concern 
Thick-billed Seedeater Serinus burtoni resident  2000  present  A3  Least Concern 
Oriole Finch Linurgus olivaceus resident  2000  present  A3  Least Concern 

Protected areas

Protected area Designation Area (ha) Relationship with IBA Overlap with IBA (ha)  
Bali-Ngemba Forest Reserve 1,200 is identical to site 1,200  

Habitats

IUCN habitat Habitat detail Extent (% of site)
Artificial - terrestrial Farmbush, fallow & ruderal land; Perennial crops, orchards and groves  -
Grassland Grassland - montane  -
Forest Montane forest - mixed  -
Wetlands (inland) Rivers & streams  -
Introduced vegetation   -

Land use

Land-use Extent (% of site)
agriculture -
forestry -
nature conservation and research -
water management -

References Njabo and Languy (2000), Tetsekoua (2000).

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Recommended citation  BirdLife International (2014) Important Bird Areas factsheet: Bali-Ngemba Forest Reserve. Downloaded from http://www.birdlife.org on 18/12/2014

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