• Summary
• Text account
• Data table and detailed info
• Map
• Reference and further resources

Year of most recent IBA criteria assessment: 2009

Populations of IBA trigger species

Species	Current IUCN Red List Category	Season	Year(s) of estimate	Population at site	IBA criteria triggered
Whooper Swan Cygnus cygnus	LC	breeding	2004	present	A4i
Bar-headed Goose Anser indicus	LC	breeding	2004	present	A4i
Swan Goose Anser cygnoid	VU	breeding	2004	present	A1, A4i
Common Goldeneye Bucephala clangula	LC	breeding	2004	present	A4i
Ruddy Shelduck Tadorna ferruginea	LC	breeding	2004	present	A4i
Baikal Teal Sibirionetta formosa	LC	passage	2004	present	A1
Great Crested Grebe Podiceps cristatus	LC	breeding	2004	present	A4i
Siberian Crane Leucogeranus leucogeranus	CR	passage	2004	present	A1
Demoiselle Crane Anthropoides virgo	LC	breeding	2004	present	A4i
White-naped Crane Grus vipio	VU	breeding	2004	present	A1
Common Crane Grus grus	LC	breeding	2004	present	A4i
Hooded Crane Grus monacha	VU	breeding	2004	present	A1
Great Bustard Otis tarda	VU	breeding	2004	present	A1
Dalmatian Pelican Pelecanus crispus	NT	breeding	2004	present	A1, A4i
Northern Lapwing Vanellus vanellus	NT	breeding	2004	present	A4i
Relict Gull Larus relictus	VU	breeding	2009	present	A1
Pallas's Fish-eagle Haliaeetus leucoryphus	EN	breeding	2004	present	A1
Lesser Kestrel Falco naumanni	LC	breeding	2004	present	A1
A4iii Species group - waterbirds	n/a	unknown	2004	20,000 individuals	A4iii

Note: The current IUCN Red List category may differ from the category that was valid at the time of IBA criteria assessment.

For more information about the IBA criteria, please click here

Protected area (PA)	PA designation	PA area (ha)	Relationship of PA with IBA	Overlap of PA with IBA (ha)
Ogii Nuur	Ramsar Site, Wetland of International Importance	2,510	protected area contained by site	2,510

IUCN Habitat	Habitat detail	Extent (% of site)
Wetlands (inland)		-
Grassland	Steppe	-

For further information about the IUCN habitat classification, please click here.

---

Recommended citation
BirdLife International (2023) Important Bird Area factsheet: Ogii Lake. Downloaded from http://datazone.birdlife.org/site/factsheet/16346 on 31/05/2023.