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
Brown Noddy Anous stolidus LC breeding 2011 10,000 breeding pairs A4i
Black Noddy Anous minutus LC breeding 2011 5,000 breeding pairs A4i
Common White Tern Gygis alba LC breeding 2011 5,000 breeding pairs A4i
A4iii Species group - waterbirds n/a breeding 2011 20,000 breeding pairs 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 Protection

Protected Area Designation Area (ha) Relationship with IBA Overlap with IBA (ha)
Nukunonu Marine Conservation Area Marine Reserve 25 protected area overlaps with site 0

Recommended citation
BirdLife International (2022) Important Bird Areas factsheet: Nukunonu. Downloaded from on 19/01/2022.