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Location Liberia, Grand Bassa,Sinoe
Central coordinates 9o 21.00' West  5o 31.00' North
IBA criteria A1, A2, A3
Area 146,800 ha
Altitude 0 - 400m
Year of IBA assessment 2001

Society for the Conservation of Nature of Liberia (Affiliate)



Site description This site lies on the coast between the towns of Buchanan to the north-west and Greenville to the south-east and stretches inland northwards from the coast for some 70 km. It includes part of the lower reaches of the scenic Cestos and Senkwen rivers, as well as the estuary of the latter, with 1,200 ha of mangroves. The proposed park thus embraces evergreen lowland rainforest, mangroves and undisturbed coastal vegetation including some of the last examples of littoral forest in West Africa. The area is low-lying with scattered hills.

Populations of IBA trigger species

Species Season Period Population estimate Quality of estimate IBA Criteria IUCN Category
White-breasted Guineafowl Agelastes meleagrides resident  1997  present  A1, A2, A3  Vulnerable 
Ahanta Francolin Pternistis ahantensis resident  1997  present  A3  Least Concern 
White-crested Tiger-heron Tigriornis leucolopha resident  1997  present  A3  Least Concern 
Afep Pigeon Columba unicincta resident  1997  present  A3  Least Concern 
Western Bronze-naped Pigeon Columba iriditorques resident  1997  present  A3  Least Concern 
Blue-headed Wood-dove Turtur brehmeri resident  1997  present  A3  Least Concern 
Black-collared Lovebird Agapornis swindernianus resident  1997  present  A3  Least Concern 
Psittacus erithacus resident  1997  present  A3  Not Recognised 
Yellow-billed Turaco Tauraco macrorhynchus resident  1997  present  A3  Least Concern 
Black-throated Coucal Centropus leucogaster resident  1997  present  A3  Least Concern 
Blue-throated Roller Eurystomus gularis resident  1997  present  A3  Least Concern 
African Dwarf-kingfisher Ispidina lecontei resident  1997  present  A3  Least Concern 
White-bellied Kingfisher Corythornis leucogaster resident  1997  present  A3  Least Concern 
Black Bee-eater Merops gularis resident  1997  present  A3  Least Concern 
Bycanistes fistulator resident  1997  present  A3  Not Recognised 
Tockus fasciatus resident  1997  present  A3  Not Recognised 
Brown-cheeked Hornbill Bycanistes cylindricus resident  1997  present  A1, A2, A3  Vulnerable 
Black-casqued Hornbill Ceratogymna atrata resident  1997  present  A3  Least Concern 
Yellow-casqued Hornbill Ceratogymna elata resident  1997  present  A1, A3  Vulnerable 
Dendropicos gabonensis resident  1997  present  A3  Not Recognised 
Little Green Woodpecker Campethera maculosa resident  1997  present  A3  Least Concern 
Buff-spotted Woodpecker Campethera nivosa resident  1997  present  A3  Least Concern 
Brown-eared Woodpecker Campethera caroli resident  1997  present  A3  Least Concern 
Fire-bellied Woodpecker Dendropicos pyrrhogaster resident  1997  present  A3  Least Concern 
Rufous-sided Broadbill Smithornis rufolateralis resident  1997  present  A3  Least Concern 
Chestnut Wattle-eye Platysteira castanea resident  1997  present  A3  Least Concern 
Red-cheeked Wattle-eye Platysteira blissetti resident  1997  present  A3  Least Concern 
Chestnut-bellied Helmet-shrike Prionops caniceps resident  1997  present  A3  Least Concern 
Lagden's Bush-shrike Malaconotus lagdeni resident  present  A1  Near Threatened 
Large-billed Puffback Dryoscopus sabini resident  1997  present  A3  Least Concern 
Sooty Boubou Laniarius leucorhynchus resident  1997  present  A3  Least Concern 
Western Wattled Cuckooshrike Campephaga lobata resident  1997  present  A1, A2, A3  Vulnerable 
Western Black-headed Oriole Oriolus brachyrhynchus resident  1997  present  A3  Least Concern 
Shining Drongo Dicrurus atripennis resident  1997  present  A3  Least Concern 
Black-headed Paradise-flycatcher Terpsiphone rufiventer resident  1997  present  A3  Least Concern 
Blue-headed Crested-flycatcher Trochocercus nitens resident  1997  present  A3  Least Concern 
Dusky Crested-flycatcher Elminia nigromitrata resident  1997  present  A3  Least Concern 
Square-tailed Saw-wing Psalidoprocne nitens resident  1997  present  A3  Least Concern 
Fanti Saw-wing Psalidoprocne obscura resident  1997  present  A3  Least Concern 
White-throated Blue Swallow Hirundo nigrita resident  1997  present  A3  Least Concern 
Olive-green Camaroptera Camaroptera chloronota resident  1997  present  A3  Least Concern 
Grey Greenbul Andropadus gracilis resident  1997  present  A3  Least Concern 
Honeyguide Greenbul Baeopogon indicator resident  1997  present  A3  Least Concern 
Simple Greenbul Chlorocichla simplex resident  1997  present  A3  Least Concern 
Swamp Greenbul Thescelocichla leucopleura resident  1997  present  A3  Least Concern 
Common Bristlebill Bleda syndactylus resident  1997  present  A3  Least Concern 
Green-tailed Bristlebill Bleda eximius resident  1997  present  A1, A2, A3  Near Threatened 
Grey-headed Bristlebill Bleda canicapillus resident  1997  present  A3  Least Concern 
Bearded Bulbul Criniger barbatus resident  1997  present  A3  Least Concern 
Red-tailed Bulbul Criniger calurus resident  1997  present  A3  Least Concern 
Yellow-bearded Greenbul Criniger olivaceus resident  1997  present  A1, A2, A3  Vulnerable 
Yellow-spotted Nicator Nicator chloris resident  1997  present  A3  Least Concern 
Kemp's Longbill Macrosphenus kempi resident  1997  present  A3  Least Concern 
Green Hylia Hylia prasina resident  1997  present  A3  Least Concern 
Green Crombec Sylvietta virens resident  1997  present  A3  Least Concern 
Blackcap Illadopsis Illadopsis cleaveri resident  1997  present  A3  Least Concern 
Rufous-winged Illadopsis Illadopsis rufescens resident  1997  present  A1, A2, A3  Near Threatened 
Brown Illadopsis Illadopsis fulvescens resident  1997  present  A3  Least Concern 
Capuchin Babbler Phyllanthus atripennis resident  1997  present  A3  Least Concern 
Copper-tailed Glossy-starling Lamprotornis cupreocauda resident  1997  present  A1, A2, A3  Near Threatened 
White-tailed Ant-thrush Neocossyphus poensis resident  1997  present  A3  Least Concern 
Rufous Flycatcher-thrush Stizorhina fraseri resident  1997  present  A3  Least Concern 
Grey Ground-thrush Zoothera princei resident  1997  present  A3  Least Concern 
Alethe diademata resident  1997  present  A3  Not Recognised 
Forest Robin Stiphrornis erythrothorax resident  1997  present  A3  Least Concern 
Forest Scrub-robin Erythropygia leucosticta resident  1997  present  A3  Least Concern 
White-browed Forest Flycatcher Fraseria cinerascens resident  1997  present  A3  Least Concern 
Ussher's Flycatcher Muscicapa ussheri resident  1997  present  A3  Least Concern 
Cassin's Grey Flycatcher Muscicapa cassini resident  1997  present  A3  Least Concern 
Mouse-brown Sunbird Anthreptes gabonicus resident  1997  present  A3  Least Concern 
Blue-throated Brown Sunbird Nectarinia cyanolaema resident  1997  present  A3  Least Concern 
Carmelite Sunbird Nectarinia fuliginosa resident  1997  present  A3  Least Concern 
Buff-throated Sunbird Nectarinia adelberti resident  1997  present  A3  Least Concern 
Johanna's Sunbird Nectarinia johannae resident  1997  present  A3  Least Concern 
Superb Sunbird Nectarinia superba resident  1997  present  A3  Least Concern 
Orange Weaver Ploceus aurantius resident  1997  present  A3  Least Concern 
Yellow-mantled Weaver Ploceus tricolor resident  1997  present  A3  Least Concern 
Gola Malimbe Malimbus ballmanni resident  1997  present  A1, A2, A3  Endangered 
Red-vented Malimbe Malimbus scutatus resident  1997  present  A3  Least Concern 
Gray's Malimbe Malimbus nitens resident  1997  present  A3  Least Concern 
Crested Malimbe Malimbus malimbicus resident  1997  present  A3  Least Concern 
White-breasted Negrofinch Nigrita fusconotus resident  1997  present  A3  Least Concern 
Chestnut-breasted Negrofinch Nigrita bicolor resident  1997  present  A3  Least Concern 
Western Bluebill Spermophaga haematina resident  1997  present  A3  Least Concern 
Gymnobucco calvus resident  1997  present  A3  Not Recognised 
Trachyphonus purpuratus resident  1997  present  A3  Not Recognised 
Speckled Tinkerbird Pogoniulus scolopaceus resident  1997  present  A3  Least Concern 
Red-rumped Tinkerbird Pogoniulus atroflavus resident  1997  present  A3  Least Concern 
Yellow-throated Tinkerbird Pogoniulus subsulphureus resident  1997  present  A3  Least Concern 
Yellow-spotted Barbet Buccanodon duchaillui resident  1997  present  A3  Least Concern 
Hairy-breasted Barbet Tricholaema hirsuta resident  1997  present  A3  Least Concern 

Habitats

IUCN habitat Habitat detail Extent (% of site)
Artificial - terrestrial   12%
Unknown   24%
Forest   63%

Land use

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

Other biodiversity Mammals include Hexaprotodon liberiensis (VU), Pan troglodytes (EN), Cercocebus torquatus (LR/nt), Piliocolobus badius (LR/nt), Colobus polykomos (LR/nt), Cercopithecus diana (VU), Cephalophus jentinki (VU), C. zebra (VU), C. sylvicultor (LR/nt), C. maxwelli (LR/nt). C. dorsalis (LR/nt), Tragelaphus euryceros (LR/nt), Syncerus caffer (LR/cd) and Hyemoschus aquaticus (DD). The local population of elephant Loxodonta africana (EN) has apparently been extirpated.

References Gatter (1997), IUCN (1987), Robinson and Suter (1999).

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Recommended citation  BirdLife International (2014) Important Bird Areas factsheet: Cestos - Senkwen. Downloaded from http://www.birdlife.org on 30/07/2014

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