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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
Whooper Swan Cygnus cygnus	LC	winter	2004	present	A4i
Swan Goose Anser cygnoid	EN	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	VU	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	NT	winter	2004	present	A4i
Grey-tailed Tattler Tringa brevipes	LC	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

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
-	Nakdong Estuary	Natural Monument	100
1966	Sanctuary of Migratory Birds at Nakdonggang River Estuary	천연기념물	82
1999	Nakdonggang Estuary	습지보호지역	48

Habitat1	Habitat detail	% of IBA
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: Nakdong-gang estuary (South Korea). Downloaded from https://datazone.birdlife.org/site/factsheet/nakdong-gang-estuary-iba-south-korea on 22/11/2024.