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Location Tonga, Ha'apai Group
Central coordinates 175o 4.00' West  19o 45.00' South
IBA criteria A2
Area 5,506 ha
Altitude 0 - 558m
Year of IBA assessment 2007





Site description The Tofua IBA comprises the whole island of Tofua, a 46.6 sq. km active volcanic island which retains the largest area of biodiversity rich moist tropical forest in Tonga. The island has seven of the ten central Polynesian restricted range species, and is particularly important for the Tongan populations of the Fiji shrikebill Clytorhynchus vitiensis and the blue-crowned lorikeet Vini australis. The island is inhabited and the on-going clearing of forest for kava plantations is a significant conservation concern as is the presence of feral pigs. Very little is documented on the avifauna and biodiversity of Tofua, for instance there are no seabird records from the island.

Populations of IBA trigger species

Species Season Period Population estimate Quality of estimate IBA Criteria IUCN Category
Ptilinopus porphyraceus breeding  1996  present  A2  Not Recognised 
Many-coloured Fruit-dove Ptilinopus perousii breeding  1996  present  A2  Least Concern 
Blue-crowned Lorikeet Vini australis breeding  1996  present  A2  Least Concern 
Wattled Honeyeater Foulehaio carunculatus breeding  1996  present  A2  Least Concern 
Polynesian Triller Lalage maculosa breeding  1996  present  A2  Least Concern 
Fiji Shrikebill Clytorhynchus vitiensis breeding  1996  present  A2  Least Concern 
Polynesian Starling Aplonis tabuensis breeding  1996  present  A2  Least Concern 

Protected areas

Protected area Designation Area (ha) Relationship with IBA Overlap with IBA (ha)  
Tofua National Park 4,990 protected area contained by site 4,990  

Habitats

IUCN habitat Habitat detail Extent (% of site)
Forest Lowland evergreen rain forest (tropical)  50%
Wetlands (inland) Freshwater lakes and pools  16%
Shrubland   34%

Land use

Land-use Extent (% of site)
agriculture major
Notes: Kava plantations

Other biodiversity No records.

References Jenkins, J.A.F. 1980. Seabird records from Tonga-an account based on the literature and recent observations. Notornis 27:205-235. Prescott, N. and P. S. Folaumoetu’i (Editors). 2004. Tonga Biodiversity Stocktaking. Technical Report 1 for the National Biodiversity Strategy and Action Plan. Dept. of Environment, Nuku’alofa. Rinke, D. 1986a. Notes on the avifauna of Niuafo’ou Island, Kingdom of Tonga. Emu 86:145-151. 1986b. The status of wildlife in Tonga. Oryx 20:146-151. 1991. Birds of ‘Ata and Late, and additional notes on the avifauna of Niuafo’ou Island, Kingdom of Tonga. Notornis 38: 131-151. Rinke, D., L.H.Soakai and A.Usback. 1993. Koe Malau: Life and future of the Malau. Brehm Fund for International Bird Conservation, Bonn. Stattersfield, A.J., M.J. Crosby, A.J. Long, and D.C. Wege. 1998. Endemic Bird Areas of the World: Priorities for biodiversity conservation. BirdLife Conservation Series no. 7, BirdLife International, Cambridge, UK. 846 pp. Steadman, D.W. 1998. Status of land birds on selected islands in the Ha’apai Group, Kingdom of Tonga. Pacific Science 52:14-34. 2006. Extinction and Biogeography of Tropical Pacific Birds. University of Chicago Press. Chicago & London. WWF 2001. www.worldwildlife.org/wildworld/profiles/terrestrial/oc/oc0114_full.html

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Recommended citation  BirdLife International (2014) Important Bird Areas factsheet: Tofua. Downloaded from http://www.birdlife.org on 25/07/2014

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