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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	300 individuals	A4i
Swan Goose Anser cygnoid	EN	winter	2004	present	A1, A4i
Bean Goose Anser fabalis	LC	winter	2004	1,800 individuals	A4i
White-naped Crane Grus vipio	VU	passage	2004	present	A1, A4i
Red-crowned Crane Grus japonensis	VU	passage	2004	present	A1, A4i
Hooded Crane Grus monacha	VU	passage	2004	present	A1, A4i
Oriental Stork Ciconia boyciana	EN	winter	2004	present	A1
Black-faced Spoonbill Platalea minor	EN	passage	2004	present	A1
Chinese Egret Egretta eulophotes	VU	breeding	2004	present	A1, A4i
Far Eastern Curlew Numenius madagascariensis	EN	passage	2004	1,600 individuals	A4i
Spotted Greenshank Tringa guttifer	EN	passage	2004	present	A1, A4i

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
1976	Chongchon River (Sweet Fish)	Protected Area	10

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: Chongchon River estuary (including Mundok Nature Reserve) (North Korea). Downloaded from https://datazone.birdlife.org/site/factsheet/chongchon-river-estuary-(including-mundok-nature-reserve)-iba-north-korea on 22/11/2024.