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The site was identified as important in 2006 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	2006	870-2,000 individuals	A1, A4i
Mute Swan Cygnus olor	LC	passage	2006	4,550-5,000 individuals	A4i
Whooper Swan Cygnus cygnus	LC	passage	2006	2,500-4,500 individuals	A4i
Red-breasted Goose Branta ruficollis	VU	passage	2006	100 individuals	A1
Greylag Goose Anser anser	LC	passage	2006	5,500 individuals	A4i
Greater White-fronted Goose Anser albifrons	LC	passage	2006	9,500 individuals	A4i
Common Goldeneye Bucephala clangula	LC	passage	2006	15,000 individuals	A4i
Smew Mergellus albellus	LC	passage	2006	18,000 individuals	A4i
Goosander Mergus merganser	LC	passage	2006	200-800 individuals	A4i
Common Shelduck Tadorna tadorna	LC	passage	2006	31,400-35,000 individuals	A4i
Ruddy Shelduck Tadorna ferruginea	LC	passage	2006	36,000-40,000 individuals	A4i
Red-crested Pochard Netta rufina	LC	passage	2006	30,000 individuals	A4i
Common Pochard Aythya ferina	VU	passage	2006	150,000-300,000 individuals	A4i
Ferruginous Duck Aythya nyroca	NT	breeding	2006	300 individuals	A1
Northern Shoveler Spatula clypeata	LC	passage	2006	37,000-50,000 individuals	A4i
Gadwall Mareca strepera	LC	passage	2006	27,100-60,000 individuals	A4i
Eurasian Wigeon Mareca penelope	LC	passage	2006	28,000-50,000 individuals	A4i
Mallard Anas platyrhynchos	LC	passage	2006	20,000 individuals	A4i
Northern Pintail Anas acuta	LC	passage	2006	17,000-30,000 individuals	A4i
Red-necked Grebe Podiceps grisegena	LC	breeding	2006	530 individuals	A4i
Great Crested Grebe Podiceps cristatus	LC	breeding	2006	4,000-10,000 individuals	A4i
Black-necked Grebe Podiceps nigricollis	LC	breeding	2006	750-1,800 individuals	A4i
Greater Flamingo Phoenicopterus roseus	LC	breeding	2006	30,000-50,000 individuals	A4i
Common Coot Fulica atra	LC	passage	2006	100,000-125,000 individuals	A4i
Demoiselle Crane Anthropoides virgo	LC	passage	2006	1,000 individuals	A3, A4i
Common Crane Grus grus	LC	passage	2006	3,500 individuals	A4i
Great White Egret Ardea alba	LC	passage	2006	1,000 individuals	A4i
Dalmatian Pelican Pelecanus crispus	NT	breeding	2006	1,540-3,000 individuals	A1, A4i
Great Cormorant Phalacrocorax carbo	LC	breeding	2006	10,200-15,000 individuals	A4i
Pied Avocet Recurvirostra avosetta	LC	breeding	2006	500 individuals	A4i
Sociable Lapwing Vanellus gregarius	CR	passage	2006	20 individuals	A1
Black-tailed Godwit Limosa limosa	NT	passage	2006	3,100-5,000 individuals	A1, A4i
Ruff Calidris pugnax	LC	passage	2006	10,000-15,000 individuals	A4i
Dunlin Calidris alpina	LC	passage	2006	14,000-15,000 individuals	A4i
Little Stint Calidris minuta	LC	passage	2006	15,000-30,000 individuals	A4i
Red-necked Phalarope Phalaropus lobatus	LC	passage	2006	300,000-400,000 individuals	A4i
Black-winged Pratincole Glareola nordmanni	NT	breeding	2006	50-249 individuals	A3
Slender-billed Gull Larus genei	LC	breeding	2006	3,100 individuals	A4i
Black-headed Gull Larus ridibundus	LC	passage	2006	2,500-3,000 individuals	A4i
Pallas's Gull Larus ichthyaetus	LC	breeding	2006	100 individuals	A3
Little Tern Sternula albifrons	LC	breeding	2006	300 individuals	A4i
Common Tern Sterna hirundo	LC	breeding	2006	800-1,000 individuals	A4i
Common Gull-billed Tern Gelochelidon nilotica	LC	breeding	2006	1,500 individuals	A4i
Steppe Eagle Aquila nipalensis	EN	non-breeding	2006	12-30 individuals	A3
Pallid Harrier Circus macrourus	NT	breeding	2006	50-200 individuals	A1
Pallid Harrier Circus macrourus	NT	breeding	2006	50-200 individuals	A1, A3
Lesser Kestrel Falco naumanni	LC	breeding	2006	30-50 individuals	A1
Black Lark Melanocorypha yeltoniensis	LC	breeding	2006	8,000-10,000 individuals	A3
White-winged Lark Alauda leucoptera	LC	breeding	2006	2,500 individuals	A3
A4iii Species group - waterbirds	n/a	passage	2006	2,000,000 individuals	A4iii

The current IUCN Red List category may differ from that which was valid at the time of IBA criteria assessment (2006).

State (condition of the trigger species' habitats)
Habitat	Habitat detail	Reference area (ha)	Actual area (ha)	Habitat quantity (% remaining)	Habitat quality (carrying capacity)	Result
Artificial/Terrestrial		0	0	good (> 90%)	good (> 90%)	favourable
Grassland	Steppes & dry calcareous	0	0	good (> 90%)	good (> 90%)	favourable
Wetlands (inland)		0	0	good (> 90%)	good (> 90%)	favourable

Pressure (threats to the trigger species and/or their habitats)
Threat level 1	Threat level 2	Timing	Scope	Severity	Result
Biological resource use	hunting & collecting terrestrial animals - intentional use (species being assessed is the target)	happening now	small area/few individuals (<10%)	no or imperceptible deterioration	low
Climate change and severe weather	drought	happening now	some of area/population (10-49%)	slow but significant deterioration	medium
Human intrusions and disturbance	recreational activities	happening now	small area/few individuals (<10%)	no or imperceptible deterioration	low
Natural system modifications	dams & water management/use - dams (size unknown)	happening now	majority/most of area/population (50-90%)	no or imperceptible deterioration	low
Pollution	domestic & urban waste water - type unknown/unrecorded	happening now	some of area/population (10-49%)	no or imperceptible deterioration	low
Pollution	industrial & military effluents - type unknown/unrecorded	likely in short term (within 4 years)	some of area/population (10-49%)	slow but significant deterioration	medium

Response (conservation actions taken for the trigger species and/or their habitats)
Protected-area designation	Management planning	Other conservation action	Result
Whole area of site (>90%) covered by appropriate conservation designation	A comprehensive and appropriate management plan exists that aims to maintain or improve the populations of qualifying bird species	Substantive conservation measures are being implemented but these are not comprehensive and are limited by resources and capacity	high

For more information about IBA conservation status, please click here

Protected area (PA)	PA designation	PA area (ha)	Relationship of PA with IBA	Overlap of PA with IBA (ha)
Tengiz-Korgalzhyn Lake System	Ramsar Site, Wetland of International Importance	353,341	protected area overlaps with site	258,963
Saryarka – Steppe and Lakes of Northern Kazakhstan	World Heritage Site (natural or mixed)	450,344	protected area overlaps with site	258,963
Kurgal'dzhinskiy	State Nature Reserve	243,138	protected area overlaps with site	258,963

The Local Conservation Groups listed below are working to support conservation at this IBA.

Name	Year formed
NGO "Rodnik"	1998

For more information on BirdLife's work with Local Conservation Groups, please click here.

Habitat (IUCN level 1)	Habitat detail	Extent (% of site)
Grassland	Steppes & dry calcareous	-
Wetlands (inland)	Rivers & streams, Standing brackish & salt water, Standing fresh water	-
Artificial/Terrestrial	Arable land	-

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

Land-use	Extent (% of site)
nature conservation and research	-
rangeland/pastureland	-
agriculture	-
urban/industrial/transport	-

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Recommended citation
BirdLife International (2023) Important Bird Area factsheet: Korgalzhyn State Nature Reserve. Downloaded from http://datazone.birdlife.org/site/factsheet/korgalzhyn-state-nature-reserve-iba-kazakhstan on 21/09/2023.