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The site was identified as important in 2009 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
White-headed Duck Oxyura leucocephala	EN	breeding	2004	present	A1, A4i
Whooper Swan Cygnus cygnus	LC	breeding	2004	present	A3, A4i
Bar-headed Goose Anser indicus	LC	breeding	2004	present	A4i
Greylag Goose Anser anser	LC	breeding	2004	present	A4i
Swan Goose Anser cygnoid	VU	breeding	2004	present	A1
Common Goldeneye Bucephala clangula	LC	breeding	2004	present	A3, A4i
Goosander Mergus merganser	LC	breeding	2004	present	A4i
Common Shelduck Tadorna tadorna	LC	breeding	2004	present	A4i
Ruddy Shelduck Tadorna ferruginea	LC	breeding	2004	present	A4i
Red-crested Pochard Netta rufina	LC	breeding	2004	present	A4i
Common Pochard Aythya ferina	VU	breeding	2004	present	A4i
Tufted Duck Aythya fuligula	LC	breeding	2004	present	A4i
Northern Shoveler Spatula clypeata	LC	-	2004	present	A4i
Gadwall Mareca strepera	LC	breeding	2004	present	A4i
Eurasian Wigeon Mareca penelope	LC	breeding	2004	present	A3, A4i
Mallard Anas platyrhynchos	LC	breeding	2004	present	A4i
Northern Pintail Anas acuta	LC	-	2004	present	A4i
Anas crecca	NR	-	2004	present	A4i
Great Crested Grebe Podiceps cristatus	LC	breeding	2004	present	A4i
White-naped Crane Grus vipio	VU	breeding	2004	present	A1, A3
Common Crane Grus grus	LC	breeding	2004	present	A3, A4i
Eurasian Spoonbill Platalea leucorodia	LC	breeding	2004	present	A4i
Great White Egret Ardea alba	LC	breeding	2004	present	A4i
Dalmatian Pelican Pelecanus crispus	NT	breeding	2004	present	A1, A4i
Great Cormorant Phalacrocorax carbo	LC	breeding	2004	present	A4i
Northern Lapwing Vanellus vanellus	NT	breeding	2004	present	A4i
Temminck's Stint Calidris temminckii	LC	passage	2004	present	A4i
Pallas's Gull Larus ichthyaetus	LC	breeding	2004	present	A3, A4i
Relict Gull Larus relictus	VU	breeding	2004	present	A1
Caspian Tern Hydroprogne caspia	LC	breeding	2004	present	A4i
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	breeding	2004	min 20,000 individuals	A4iii

The current IUCN Red List category may differ from that which was valid at the time of IBA criteria assessment (2009).

Protected area (PA)	PA designation	PA area (ha)	Relationship of PA with IBA	Overlap of PA with IBA (ha)
Har Us Nuur National Park	Ramsar Site, Wetland of International Importance	321,360	protected area overlaps with site	25,200
Har Us Nuur	National Conservation Parks	850,272	protected area overlaps with site	140,400

Habitat (IUCN level 1)	Habitat detail	Extent (% of site)
Wetlands (inland)		-
Desert		-

For more information about the IUCN Habitat classification, please click here.

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Recommended citation
BirdLife International (2023) Important Bird Area factsheet: Khar Us Lake. Downloaded from http://datazone.birdlife.org/site/factsheet/khar-us-lake-iba-mongolia on 06/12/2023.