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The site was identified as important 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 List1	Season	Year(s)	Size	IBA criteria
Mangaia Kingfisher Todiramphus ruficollaris	LC	resident	1996	400-700 individuals	A1, A2
Cook Islands Reed-warbler Acrocephalus kerearako	LC	resident	-	common	A2

1. The current IUCN Red List category. The category at the time of the IBA criteria assessment (2012) may differ.

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
Human intrusions and disturbance	happening now	small area/few individuals (<10%)	slow but significant deterioration	low
Invasive and other problematic species and genes	happening now	whole area/population (>90%)	no or imperceptible deterioration	low
Pollution	happening now	small area/few individuals (<10%)	slow but significant deterioration	low

Response (conservation actions taken for the trigger species and/or their habitats)
Protected areas	Management plan	Other action	Result
Whole area of site (>90%) covered by appropriate conservation designation	A management plan exists but it is out of date or not comprehensive	Some limited conservation initiatives are in place	medium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	% overlap with IBA
2017	Cook Islands Marine Park	Marine Park	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 23/11/2024.