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The site was identified as internationally important for bird conservation in 2004 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
Ryukyu Green-pigeon Treron permagnus	LC	resident (2003)	present	A2
Whimbrel Numenius phaeopus	LC	passage (2003)	present	A4i
A4iv Species group - soaring birds/cranes	n/a	passage (2003)	min 20,000 birds	A4iv

Ideally the conservation status of the IBA will have been checked regularly since the site was first identified in 2004. The most recent assessment (2010) is shown below.

Pressure (threats to the trigger species and/or their habitats)
Threat	Timing	Scope	Severity	Result
Human intrusions and disturbance	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
Some of area covered (10–49%)	A management plan exists, but it is out of date or not compre­hensive	Unknown	low

Year	Protected Area	Designation (management category)	% coverage of IBA
1970	Karimata-shimajiri	都道府県指定鳥獣保護区 (IV)	1
1984	Irabu	都道府県指定鳥獣保護区 (IV)	17
1995	Irabu	都道府県立自然公園 (V)	15
1995	Ikema	都道府県指定鳥獣保護区 (IV)	1
2001	Yonahawan	都道府県指定鳥獣保護区 (IV)	3
2011	Yonahawan	国指定鳥獣保護区 (IV)	3
2011	Ikema	国指定鳥獣保護区 (IV)	1

Habitat	% of IBA	Habitat detail
Artificial/Terrestrial	major (>10)
Marine Intertidal	major (>10)
Forest	minor (<10)
Grassland	minor (<10)
Shrubland	minor (<10)
Wetlands (inland)	minor (<10)

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Recommended citation
BirdLife International (2024) Important Bird Area factsheet: Miyako islands (Japan). Downloaded from https://datazone.birdlife.org/site/factsheet/miyako-islands-iba-japan on 28/12/2024.