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The site was identified as internationally important for bird conservation in 2012 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
Mangaia Kingfisher Todiramphus ruficollaris	LC	resident (1996)	400–700 birds	A1, A2
Cook Islands Reed-warbler Acrocephalus kerearako	LC	resident (-)	common	A2

Ideally the conservation status of the IBA will have been checked regularly since the site was first identified in 2012. The most recent assessment (2018) is shown below.

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%)	no or slight decline (<1% over 3 gener­ations)	low
Human intrusions and disturbance	happe­ning now	few indivi­duals/small area (<10%)	slow decline (1–10% over 3 gener­ations)	low
Pollution	happe­ning now	few indivi­duals/small area (<10%)	slow decline (1–10% over 3 gener­ations)	low

Response (conservation actions taken for the trigger species and/or their habitats)
Designation	Planning	Action	Result
Whole area (>90%) covered by appropriate conservation designation	A management plan exists, but it is out of date or not compre­hensive	Some limited conservation initiatives are in place	medium

Year	Protected Area	Designation (management category)	% coverage of IBA
2017	Cook Islands Marine Park	Marine Park (VI)	30

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Recommended citation
BirdLife International (2024) Important Bird Area factsheet: Mangaia (Cook Islands). Downloaded from https://datazone.birdlife.org/site/factsheet/mangaia-iba-cook-islands on 23/12/2024.