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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'):

Species	Current IUCN Red List Category	Season	Year(s)	Population estimate at site	IBA criteria met
Whooper Swan Cygnus cygnus	LC	winter	2004	present	A4i
Swan Goose Anser cygnoid	VU	winter	2004	present	A1
Bean Goose Anser fabalis	LC	winter	2004	present	A4i
Common Shelduck Tadorna tadorna	LC	non-breeding	2004	present	A4i
Baikal Teal Sibirionetta formosa	LC	winter	2004	present	A1
Mallard Anas platyrhynchos	LC	winter	2004	present	A4i
White-naped Crane Grus vipio	VU	winter	2004	present	A1
Hooded Crane Grus monacha	VU	winter	2004	present	A1
Oriental Stork Ciconia boyciana	EN	winter	2004	present	A1
Chinese Egret Egretta eulophotes	VU	breeding	2004	present	A1
Grey Plover Pluvialis squatarola	LC	winter	2004	present	A4i
Kentish Plover Charadrius alexandrinus	LC	winter	2004	present	A4i
Eurasian Curlew Numenius arquata	NT	winter	2004	present	A4i
Bar-tailed Godwit Limosa lapponica	NT	passage	2004	present	A4i
Spoon-billed Sandpiper Calidris pygmaea	CR	passage	2004	present	A1
Red-necked Stint Calidris ruficollis	NT	passage	2004	present	A4i
Sanderling Calidris alba	LC	winter	2004	present	A4i
Dunlin Calidris alpina	LC	winter	2004	present	A4i
Grey-tailed Tattler Tringa brevipes	NT	passage	2004	present	A4i
Spotted Greenshank Tringa guttifer	EN	passage	2004	present	A1
Saunders's Gull Saundersilarus saundersi	VU	winter	2004	present	A1, A4i
Relict Gull Larus relictus	VU	winter	2004	present	A1
Little Tern Sternula albifrons	LC	winter	2004	present	A4i
A4iii Species group - waterbirds	n/a	breeding	2004	min 20,000 individuals	A4iii

The current IUCN Red List category may differ from that which was valid at the time of IBA criteria assessment (2004).

Protected area (PA)	PA designation	PA area (ha)	Relationship of PA with IBA	Overlap of PA with IBA (ha)
Sanctuary of Migratory Birds at Nakdonggang River Estuary	천연기념물	8,728	protected area overlaps with site	0
Nakdonggang Estuary	습지보호지역	3,772	protected area contained by site	0
Nakdong Estuary	Natural Monument	9,560	is identical to site	9,560
Gadeokdo	산림유전자원보호림	568	protected area is adjacent to site	0

Habitat (IUCN level 1)	Habitat detail	Extent (% of site)
Wetlands (inland)		-

For more information about the IUCN Habitat classification, please click here.

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Recommended citation
BirdLife International (2023) Important Bird Area factsheet: Nakdong-gang estuary. Downloaded from http://datazone.birdlife.org/site/factsheet/nakdong-gang-estuary-iba-south-korea on 08/12/2023.