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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
Swinhoe's Storm-petrel Hydrobates monorhis	NT	breeding	2004	present	A4ii
Ancient Murrelet Synthliboramphus antiquus	LC	breeding	2004	present	A4ii
Japanese Murrelet Synthliboramphus wumizusume	VU	breeding	2004	present	A1
Pleske's Grasshopper-warbler Helopsaltes pleskei	VU	breeding	2004	present	A1

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

Year	Protected Area	Designation	% overlap with IBA
-	Kukul Is	Natural Monument	100
2009	Shinan Dadohae	UNESCO-MAB Biosphere Reserve	100
2012	Gageo-do (island) Neighboring Water	해양보호구역	100

Habitat1	Habitat detail	% of IBA
Marine Coastal/Supratidal		-

1. IUCN Habitat classification.

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Recommended citation
BirdLife International (2024) Important Bird Area factsheet: Kukul-do island (South Korea). Downloaded from https://datazone.birdlife.org/site/factsheet/kukul-do-island-iba-south-korea on 22/11/2024.