Malden Island

IBA Criteria

Year of most recent IBA criteria assessment: 2008

Populations of IBA trigger species
Species Current IUCN Red List Category Season Year(s) of estimate Population estimate IBA Criteria Triggered
Lesser Frigatebird Fregata ariel LC breeding 1977 7,000 individuals A4ii
Great Frigatebird Fregata minor LC breeding 1977 3,000 individuals A4ii
Red-footed Booby Sula sula LC breeding 1977 5,000 individuals A4ii
Masked Booby Sula dactylatra LC breeding 1977 3,000 individuals A4ii
A4iii Species group - seabirds n/a breeding 1977 20,000 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 not assessed not assessed not assessed
Was the whole site covered? No State assessed by unset
Accuracy of information -

IBA Protection

Protected Area Designation Area (ha) Relationship with IBA Overlap with IBA (ha)
Malden Island (Closed Area) Wildlife Sanctuary 3,930 protected area contains site 3,755

Recommended citation
BirdLife International (2022) Important Bird Areas factsheet: Malden Island. Downloaded from on 21/01/2022.