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The site was identified as important 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 List1	Season	Year(s)	Size	IBA criteria
Japanese Woodpigeon Columba janthina	LC	resident	2003	present	A2

1. The current IUCN Red List category. The category at the time of the IBA criteria assessment (2004) may differ.

Ideally the conservation status of the IBA will have been checked regularly since the site was first identified in 2004. The most recent assessment (2015) is shown below.

State (condition of the trigger species' habitats)
Habitat	Quantity (% remaining)	Quality (% carrying capacity)	Result
Forest	good (> 90%)	moderate (70-90%)	near favourable

Response (conservation actions taken for the trigger species and/or their habitats)
Protected areas	Management plan	Other action	Result
Some of site covered (10-49%)	A comprehensive and appropriate management plan exists that aims to maintain or improve the populations of qualifying bird species	Some limited conservation initiatives are in place	low

Year	Protected Area	Designation	% overlap with IBA
1936	Daisen oki	国立公園	100
1965	Ama	都道府県指定鳥獣保護区	1
1972	Yakihiyama	都道府県指定鳥獣保護区	1
1978	Daimanji	都道府県指定鳥獣保護区	1
1979	Okishakunage jiseirin	都道府県自然環境保全地域	<1
1981	Oki kokubunji	都道府県指定鳥獣保護区	<1
2001	Shirashima	都道府県指定鳥獣保護区	<1
2002	Kamenohara ike	都道府県指定鳥獣保護区	<1

Habitat1	Habitat detail	% of IBA
Forest		-
Marine Coastal/Supratidal		-

1. IUCN Habitat classification.

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Recommended citation
BirdLife International (2024) Important Bird Area factsheet: Oki islands (Japan). Downloaded from https://datazone.birdlife.org/site/factsheet/oki-islands-iba-japan on 23/11/2024.