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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
Swan Goose Anser cygnoid	EN	winter	2004	present	A1
Bean Goose Anser fabalis	LC	winter	2004	present	A4i
Greater White-fronted Goose Anser albifrons	LC	winter	2004	present	A4i
Lesser White-fronted Goose Anser erythropus	VU	winter	2004	present	A1
Baikal Teal Sibirionetta formosa	LC	winter	2004	present	A1, A4i
Mallard Anas platyrhynchos	LC	non-breeding	2004	present	A4i
Northern Pintail Anas acuta	LC	unknown	2004	present	A4i
Common Teal Anas crecca	LC	winter	2004	present	A4i
Eastern Spot-billed Duck Anas zonorhyncha	LC	resident	2004	present	A4i
Hooded Crane Grus monacha	VU	winter	2004	present	A1
Oriental Stork Ciconia boyciana	EN	winter	2004	present	A1
Black-faced Spoonbill Platalea minor	EN	winter	2004	present	A1
Chinese Egret Egretta eulophotes	VU	breeding	2004	present	A1
Kentish Plover Charadrius alexandrinus	LC	winter	2004	present	A4i
Black-tailed Godwit Limosa limosa	NT	passage	2004	present	A4i
Red-necked Stint Calidris ruficollis	NT	passage	2004	present	A4i
Spotted Redshank Tringa erythropus	LC	passage	2004	present	A4i
Common Greenshank Tringa nebularia	LC	passage	2004	present	A4i
Wood Sandpiper Tringa glareola	LC	unknown	2004	present	A4i
Spotted Greenshank Tringa guttifer	EN	passage	2004	present	A1
Saunders's Gull Saundersilarus saundersi	VU	winter	2004	present	A1, A4i
Little Tern Sternula albifrons	LC	breeding	2004	present	A4i
Greater Spotted Eagle Clanga clanga	VU	winter	2004	present	A1
Eastern Imperial Eagle Aquila heliaca	VU	winter	2004	present	A1
A4iii Species group - waterbirds	n/a	unknown	2004	min 20,000 individuals	A4iii

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
-	Cheonsu Bay	Wildlife Reserve	-
1989	Chungnam Taean Nammyeon	야생생물보호구역	6
1999	Chungnam Hongseong Galsanmyeon	야생생물보호구역	3
2002	124_Myodo	특정도서	<1
2009	Chungnam Seosan Buseokmyeon 1	야생생물보호구역	12
2009	Chungnam Seosan Buseokmyeon 2	야생생물보호구역	5

Habitat1	Habitat detail	% of IBA
Artificial/Terrestrial	Rice paddies	major (>10)
Marine Intertidal		major (>10)
Marine Neritic		major (>10)

1. IUCN Habitat classification.

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Recommended citation
BirdLife International (2024) Important Bird Area factsheet: Cheonsu Bay (South Korea). Downloaded from https://datazone.birdlife.org/site/factsheet/cheonsu-bay-iba-south-korea on 22/11/2024.