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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
Middendorff's Grasshopper-warbler Helopsaltes ochotensis	LC	breeding	2003	present	A3
Eastern Crowned Warbler Phylloscopus coronatus	LC	breeding	2003	present	A3
Siberian Thrush Geokichla sibirica	LC	breeding	2003	present	A3
Blue-and-white Flycatcher Cyanoptila cyanomelana	LC	breeding	2003	present	A3
Siberian Blue Robin Larvivora cyane	LC	breeding	2003	present	A3
Japanese Robin Larvivora akahige	LC	breeding	2003	present	A3
Narcissus Flycatcher Ficedula narcissina	LC	breeding	2003	present	A3
Japanese Accentor Prunella rubida	LC	breeding	2003	present	A3
Grey Bunting Emberiza variabilis	LC	breeding	2003	present	A3

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 (2010) is shown below.

Pressure (threats to the trigger species and/or their habitats)
Threat	Timing	Scope	Severity	Result
Transportation and service corridors	likely in long term (beyond 4 years)	small area/few individuals (<10%)	no or imperceptible deterioration	low

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Some of site covered (10-49%)	A management plan exists but it is out of date or not comprehensive	Unknown	low

Year	Protected Area	Designation	% overlap with IBA
-	Hidaka National Monument	Other	-
1964	Horoman	都道府県指定鳥獣保護区	<1
1964	Fushimi	都道府県指定鳥獣保護区	<1
1979	Nishicha	都道府県指定鳥獣保護区	1
1980	Nissho	都道府県指定鳥獣保護区	<1
1981	Hidakasanmyaku-Erimo	国定公園	26
1983	Rekifunegawa	都道府県指定鳥獣保護区	<1
1983	Apoidake	都道府県指定鳥獣保護区	<1
1983	Toyoniko	都道府県指定鳥獣保護区	<1
1995	Hidaka Mountain Range	森林生態系保護地域	36
2001	Taisetsu and Hidaka	緑の回廊	<1

Habitat1	Habitat detail	% of IBA
Forest		-

1. IUCN Habitat classification.

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