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The site was identified as internationally important for bird conservation in 2008 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 (2005)	present	A1, A2
Palau Ground Dove Pampusana canifrons	EN	resident (2005)	present	A2
Micronesian Imperial-pigeon Ducula oceanica	VU	resident (2005)	present	A2
Palau Fruit-dove Ptilinopus pelewensis	LC	resident (2005)	present	A2
Palau Swiftlet Aerodramus pelewensis	LC	resident (2005)	present	A2
Palau Owl Pyrroglaux podargina	LC	resident (2005)	present	A2
Palau Kingfisher Todiramphus pelewensis	NT	resident (2005)	present	A2
Micronesian Myzomela Myzomela rubratra	LC	resident (2005)	present	A2
Morningbird Pachycephala tenebrosa	LC	resident (2005)	present	A2
Palau Fantail Rhipidura lepida	LC	resident (2005)	present	A2
Palau Flycatcher Myiagra erythrops	LC	resident (2005)	present	A2
Palau Bush-warbler Horornis annae	LC	resident (2005)	present	A2
Giant White-eye Megazosterops palauensis	NT	resident (2005)	present	A2
Dusky White-eye Zosterops finschii	LC	resident (2005)	present	A2
Citrine White-eye Zosterops semperi	LC	resident (2005)	present	A2
Micronesian Starling Aplonis opaca	LC	resident (2005)	present	A2

Ideally the conservation status of the IBA will have been checked regularly since the site was first identified in 2008. The most recent assessment (2018) is shown below.

State (condition of the trigger species' habitats)
Habitat	Quantity (% remaining)	Quality (% carrying capacity)	Result
Forest	-	good (>90%)	good

Pressure (threats to the trigger species and/or their habitats)
Threat	Timing	Scope	Severity	Result
Invasive and other problematic species and genes	happe­ning now	whole of popul­ation/area (>90%)	slow decline (1–10% over 3 gener­ations)	high
Residential and commercial development	happe­ning now	some of popul­ation/area (10–49%)	rapid decline (>30% over 3 gener­ations)	high
Biological resource use	happe­ning now	some of popul­ation/area (10–49%)	moderate decline (10–30% over 3 gener­ations)	high
Natural system modifications	happe­ning now	some of popul­ation/area (10–49%)	moderate decline (10–30% over 3 gener­ations)	high
Agricultural expansion and intensification	happe­ning now	some of popul­ation/area (10–49%)	slow decline (1–10% over 3 gener­ations)	medium
Climate change and severe weather	happe­ning now	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
Little/none of area covered (<10%)	No management plan exists, but the management planning process has begun	Very little or no conservation action taking place	very low

Habitat	% of IBA	Habitat detail
Forest	major (>10)	Lowland forest - mixed swamp; Mangrove forest (tropical)
Marine Intertidal	major (>10)
Marine Coastal/Supratidal	minor (<10)

Land use	% of IBA
agriculture	minor (<10)
fisheries/aquaculture	minor (<10)
other	minor (<10)

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Recommended citation
BirdLife International (2024) Important Bird Area factsheet: Peleliu (Palau). Downloaded from https://datazone.birdlife.org/site/factsheet/peleliu-iba-palau on 23/12/2024.