CNMI007
Maug Islands


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
Micronesian Scrubfowl Megapodius laperouse NT resident - present A1, A2
Red-tailed Tropicbird Phaethon rubricauda LC breeding 1979-1988 200 breeding pairs A4ii
Brown Noddy Anous stolidus LC breeding 1979-1988 6,000 breeding pairs A4i
Micronesian Myzomela Myzomela rubratra LC resident - present A2
Micronesian Starling Aplonis opaca LC resident - 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 medium 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
Invasive and other problematic species and genes invasive non-native/alien species/diseases - unspecified species likely in short term (within 4 years) majority/most of area/population (50-90%) slow but significant deterioration medium

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)
Maug Island Preserve 211 protected area overlaps with site 186
Marianas Trench Marine National Monument 77,705 protected area contains site 0
Marianas Trench Marine National Monument 24,851,700 protected area contains site 0
Mariana Arc Of Fire National Wildlife Refuge 22,257 protected area contains site 0


Recommended citation
BirdLife International (2022) Important Bird Areas factsheet: Maug Islands. Downloaded from http://www.birdlife.org on 19/01/2022.