Hunga Ha'apai, Hunga Tonga Islands

IBA Criteria

Year of most recent IBA criteria assessment: 2007

Populations of IBA trigger species
Species Current IUCN Red List Category Season Year(s) of estimate Population estimate IBA Criteria Triggered
Shy Ground-dove Alopecoenas stairi VU breeding 1990 present A1, A2
Tongan Fruit-dove Ptilinopus porphyraceus LC breeding 1925 present A2
Polynesian Wattled Honeyeater Foulehaio carunculatus LC breeding 1925 present A2
Fiji Shrikebill Clytorhynchus vitiensis LC breeding 1925 present A2
Polynesian Starling Aplonis tabuensis LC breeding 1925 present A2

Note: This table presents the IBA criteria triggered and the species that triggered then at the time of assessment, the current IUCN Red List category may vary from that which was in place at that time.

For more information about the IBA assessment process and criteria please click here

IBA Monitoring

Most recent IBA monitoring assessment
Year of assessment Threat score (pressure) Condition score (state) Action score (response)
2007 low not assessed not assessed
Was the whole site covered? No State assessed by unset
Accuracy of information -

Threats to the site (pressure)
Threat Level 1 Threat Level 2 Timing Scope Severity Result
Biological resource use hunting & collecting terrestrial animals - intentional use (species being assessed is the target) happening now some of area/population (10-49%) no or imperceptible deterioration low

Conservation actions taken at site (response)
Conservation Designation Management Planning Conservation Action Result
Not assessed Not assessed Not assessed not assessed
For more information about IBA monitoring please click here

Recommended citation
BirdLife International (2020) Important Bird Areas factsheet: Hunga Ha'apai, Hunga Tonga Islands. Downloaded from on 09/07/2020.