MP009
Alamagan Island


IBA Justification

The site was identified as internationally important for bird conservation in 2007 because it was regularly supporting significant populations of the species listed below, meeting ('triggering') IBA criteria.

Populations meeting IBA criteria ('trigger species') at the site:
Species Red List Season (year/s of estimate) Size IBA criteria
Micronesian Scrubfowl Megapodius laperouse NT resident (-) present A1, A2
White-throated Ground Dove Pampusana xanthonura NT resident (-) present A1, A2
Micronesian Myzomela Myzomela rubratra LC resident (-) present A2
Saipan Reed-warbler Acrocephalus hiwae EN resident (-) 100 pairs A1, A2
Micronesian Starling Aplonis opaca LC resident (-) present A2

IBA Conservation

Ideally the conservation status of the IBA will have been checked regularly since the site was first identified in 2007. The most recent assessment (2007) is shown below.

IBA conservation assessment
Year of assessment State Pressure Response
2007 not assessed medium not assessed
Whole site assessed? State assessed by Accuracy of information
no unset -

Pressure (threats to the trigger species and/or their habitats)
Threat Timing Scope Severity Result
Invasive and other problematic species and genes happe­ning now some of popul­ation/area (10–49%) slow decline (1–10% over 3 gener­ations) medium
Residential and commercial development likely in short term (<4 years) some of popul­ation/area (10–49%) slow decline (1–10% over 3 gener­ations) medium

Response (conservation actions taken for the trigger species and/or their habitats)
Designation Planning Action Result
Not assessed Not assessed Not assessed not assessed


Recommended citation
BirdLife International (2024) Important Bird Area factsheet: Alamagan Island (Northern Mariana Islands (to USA)). Downloaded from https://datazone.birdlife.org/site/factsheet/alamagan-island-iba-northern-mariana-islands-(to-usa) on 24/12/2024.