Orangchon River estuary

IBA Criteria

Year of most recent IBA criteria assessment: 2004

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 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

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

IBA Protection

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


IUCN Habitat 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 further information about the habitat classification please click here.

Recommended citation
BirdLife International (2023) Important Bird Areas factsheet: Orangchon River estuary. Downloaded from on 29/03/2023.