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Year of most recent IBA criteria assessment: 2009

Populations of IBA trigger species

Species	Current IUCN Red List Category	Season	Year(s) of estimate	Population estimate	IBA Criteria Triggered
Swan Goose Anser cygnoid	VU	passage	2003	present	A1, A4i
Bean Goose Anser fabalis	LC	unknown	2003	present	A4i
Common Shelduck Tadorna tadorna	LC	unknown	2003	present	A4i
Ruddy Shelduck Tadorna ferruginea	LC	unknown	2003	present	A4i
Baer's Pochard Aythya baeri	CR	passage	2003	present	A1
Siberian Crane Leucogeranus leucogeranus	CR	passage	2003	present	A1, A4i
White-naped Crane Grus vipio	VU	passage	2003	present	A1
Red-crowned Crane Grus japonensis	VU	breeding	2003	present	A1, A4i
Oriental Stork Ciconia boyciana	EN	winter	2003	present	A1, A4i
Chinese Egret Egretta eulophotes	VU	passage	2003	present	A1
Haematopus ostralegus	NR	unknown	2008	present	A4i
Grey Plover Pluvialis squatarola	LC	unknown	2008	present	A4i
Kentish Plover Charadrius alexandrinus	LC	unknown	2008	present	A4i
Whimbrel Numenius phaeopus	LC	unknown	2008	present	A4i
Eurasian Curlew Numenius arquata	NT	unknown	2008	present	A4i
Far Eastern Curlew Numenius madagascariensis	EN	unknown	2008	present	A4i
Bar-tailed Godwit Limosa lapponica	NT	unknown	2008	present	A4i
Black-tailed Godwit Limosa limosa	NT	unknown	2008	present	A4i
Great Knot Calidris tenuirostris	EN	passage	2003	present	A4i
Red Knot Calidris canutus	NT	unknown	2008	present	A4i
Dunlin Calidris alpina	LC	unknown	2008	present	A4i
Terek Sandpiper Xenus cinereus	LC	unknown	2008	present	A4i
Saunders's Gull Saundersilarus saundersi	VU	breeding	2003	present	A1, A4i
Marsh Grassbird Helopsaltes pryeri	NT	resident	2003	present	A1
A4iii Species group - waterbirds	n/a	unknown	2003	min 20,000 individuals	A4iii

Note: This table presents the IBA criteria triggered and the species that triggered then at the time of assessment, the current IUCN Red List category may vary from that which was in place at that time.

For more information about the IBA assessment process and criteria please click here

Protected Area	Designation	Area (ha)	Relationship with IBA	Overlap with IBA (ha)
Shuangtaihekou	Nature Reserve	128,000	protected area contained by site	128,000
Shuangtai Estuary	Ramsar Site, Wetland of International Importance	128,000	protected area overlaps with site	128,000

IUCN Habitat	Habitat detail	Extent (% of site)
Wetlands (inland)		-

For further information about the habitat classification please click here.

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Recommended citation
BirdLife International (2022) Important Bird Areas factsheet: Shuangtai (Shuangtaizi) Estuary and Inner Gulf of Liaodong. Downloaded from http://www.birdlife.org on 20/08/2022.