|IBA conservation status|
|Year of assessment (most recent)||State (condition)||Pressure (threat)||Response (action)|
|For more information about IBA monitoring, please click here|
The site boundary is based upon a seaward extension of 12 km around Helen Island to encompass the foraging range of IBA threshold numbers of Black Noddy based upon a 2004 population estimate of 25,000 individuals.
BirdLife International (2023) Important Bird Area factsheet: Helen Island Marine. Downloaded from http://datazone.birdlife.org/site/factsheet/helen-island-marine-iba-palau on 26/09/2023.