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Location Samoa, Upolo
Central coordinates 171o 30.01' West  14o 0.69' South
IBA criteria A1, A2
Area 4,759 ha
Altitude 300 - 545m
Year of IBA assessment 2010





Ornithological information The site has been surveyed on at least 3 occasions. All surveys identified high densities of pigeons and doves, including Tooth-billed Pigeon. Ma'o is also present while good numbers of both Samoan Flycatcher and Samoan Triller have been recorded on the site.

Site description This site covers the inland craters of Atua district on the eastern end of Upolu. The site includes the Afulilo Reservoir which was cleared for the hydro-electric dam. The site stretches from the Aleipata district where craters of Lanomoa and Luaofafine are located, to the inland craters adjacent to the Afulilo HEP dam.

Populations of IBA trigger species

Species Season Period Population estimate Quality of estimate IBA Criteria IUCN Category
Shy Ground-dove Gallicolumba stairi resident  A2  Vulnerable 
Tooth-billed Pigeon Didunculus strigirostris resident  A1, A2  Endangered 
Many-coloured Fruit-dove Ptilinopus perousii resident  present [units unknown]  A2  Least Concern 
Purple-capped Fruit-dove Ptilinopus porphyraceus resident  present [units unknown]  A2  Least Concern 
Blue-crowned Lorikeet Vini australis resident  present [units unknown]  A2  Least Concern 
Flat-billed Kingfisher Todiramphus recurvirostris resident  present [units unknown]  A2  Least Concern 
Wattled Honeyeater Foulehaio carunculatus resident  present [units unknown]  A2  Least Concern 
Mao Gymnomyza samoensis resident  A1, A2  Endangered 
Polynesian Triller Lalage maculosa resident  present [units unknown]  A2  Least Concern 
Samoan Triller Lalage sharpei resident  present [units unknown]  A1, A2  Near Threatened 
Samoan Whistler Pachycephala flavifrons resident  present [units unknown]  A2  Least Concern 
Samoan Fantail Rhipidura nebulosa resident  present [units unknown]  A2  Least Concern 
Samoan Flycatcher Myiagra albiventris resident  present [units unknown]  A1, A2  Near Threatened 
Samoan Starling Aplonis atrifusca resident  present [units unknown]  A2  Least Concern 
Polynesian Starling Aplonis tabuensis resident  present [units unknown]  A2  Least Concern 
Red-headed Parrotfinch Erythrura cyaneovirens resident  present [units unknown]  A2  Least Concern 

Land ownership Most of the site is under customary ownership, belonging to 4 different districts of Lotofaga, Lepa, Aleipata and Fagaloa.

Management considerations Key threats are land clearance for livestock farming, agricultural development and the potential expansion of the hydro-electic dam into Vaipu swamp.

Conservation response The site is threatened by land clearance and also, potentially, expansion of the hydro electric dam. Also natural threats sucha as cyclones have impacted in previous years. There is currently no conservation program for this site.

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Recommended citation  BirdLife International (2013) Important Bird Areas factsheet: Eastern Upolu Craters. Downloaded from http://www.birdlife.org on 24/05/2013

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