Kiritimati (Christmas Island)

IBA Criteria

Year of most recent IBA criteria assessment: 2012

Populations of IBA trigger species
Species Current IUCN Red List Category Season Year(s) of estimate Population estimate IBA Criteria Triggered
Red-tailed Tropicbird Phaethon rubricauda LC breeding 2007 820-1,100 breeding pairs A4ii
Polynesian Storm-petrel Nesofregetta fuliginosa EN breeding 2007 200-500 breeding pairs A1, A4ii
Phoenix Petrel Pterodroma alba EN breeding 2007 2,300-3,800 breeding pairs A1, A4ii
Christmas Shearwater Puffinus nativitatis LC breeding 2007 4,000-7,000 breeding pairs A4ii
Tropical Shearwater Puffinus bailloni LC breeding 2007 3,100-4,100 breeding pairs A4ii
Brown Noddy Anous stolidus LC breeding 2007 15,000-31,000 breeding pairs A4i
Black Noddy Anous minutus LC breeding 2007 100,000 breeding pairs A4i
Kiritimati Reed-warbler Acrocephalus aequinoctialis EN resident 2007 300-500 individuals A1, A2
A4iii Species group - seabirds n/a breeding 2007 63,786 individuals A4iii
A4iii Species group - waterbirds n/a breeding 2007 1,874,620 individuals A4iii

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 high 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 - persecution/control happening now some of area/population (10-49%) slow but significant deterioration medium
Invasive and other problematic species and genes invasive non-native/alien species/diseases - named species happening now majority/most of area/population (50-90%) slow but significant deterioration high

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

IBA Protection

Protected Area Designation Area (ha) Relationship with IBA Overlap with IBA (ha)
Kiritimati Atoll (Christmas Island) Multi/Multiple Use Conservation Area 52,370 protected area contained by site 52,370

Recommended citation
BirdLife International (2022) Important Bird Areas factsheet: Kiritimati (Christmas Island). Downloaded from on 28/01/2022.