Orangchon River estuary

IBA Justification

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
Swan Goose Anser cygnoid VU winter 2004 present A1
Bean Goose Anser fabalis LC non-breeding 2004 present A4i
Greater White-fronted Goose Anser albifrons LC winter 2004 present A4i
Scaly-sided Merganser Mergus squamatus EN breeding 2004 present A1
White-naped Crane Grus vipio VU passage 2004 present A1, A4i
Red-crowned Crane Grus japonensis VU passage 2004 present A1, A4i
Dunlin Calidris alpina LC passage 2004 present A4i

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

IBA Protection

Protected area (PA) PA designation PA area (ha) Relationship of PA with IBA Overlap of PA with IBA (ha)
Estuary of Orangchon River Protected Area 1,500 protected area contained by site 1,500


Habitat (IUCN level 1) Habitat detail Extent (% of site)
Wetlands (inland) Rivers and streams, Riverine floodplains, Permanent swamps, Freshwater lakes and pools -
Marine Intertidal -
Artificial/Terrestrial Abandoned farmland, disturbed ground, Arable land -
Marine Neritic -
For more information about the IUCN Habitat classification, please click here.

Recommended citation
BirdLife International (2023) Important Bird Area factsheet: Orangchon River estuary. Downloaded from on 29/09/2023.