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The site was identified as internationally important for bird conservation in 2006 because it was regularly supporting significant populations of the species listed below, meeting ('triggering') IBA criteria.

Populations meeting IBA criteria ('trigger species') at the site:

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

Ideally the conservation status of the IBA will have been checked regularly since the site was first identified in 2006. The most recent assessment (2012) is shown below.

State (condition of the trigger species' habitats)
Habitat	Quantity (% remaining)	Quality (% carrying capacity)	Result
Wetlands (inland)	good (>90%)	good (>90%)	good
Grassland	good (>90%)	good (>90%)	good
Artificial/Terrestrial	good (>90%)	good (>90%)	good

Pressure (threats to the trigger species and/or their habitats)
Threat	Timing	Scope	Severity	Result
Climate change and severe weather	happe­ning now	some of popul­ation/area (10–49%)	slow decline (1–10% over 3 gener­ations)	medium
Natural system modifications	happe­ning now	most of popul­ation/area (50–90%)	no or slight decline (<1% over 3 gener­ations)	low
Pollution	happe­ning now	some of popul­ation/area (10–49%)	no or slight decline (<1% over 3 gener­ations)	low
Human intrusions and disturbance	happe­ning now	few indivi­duals/small area (<10%)	no or slight decline (<1% over 3 gener­ations)	low
Biological resource use	happe­ning now	few indivi­duals/small area (<10%)	no or slight decline (<1% over 3 gener­ations)	low

Response (conservation actions taken for the trigger species and/or their habitats)
Designation	Planning	Action	Result
Whole area (>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

Year	Protected Area	Designation (management category)	% coverage of IBA
1968	Kurgal'dzhinskiy	State Nature Reserve (Ia)	100
2008	Saryarka – Steppe and Lakes of Northern Kazakhstan	World Heritage Site (natural or mixed) (UA)	100

The Local Conservation Group(s) listed below are working to conserve this IBA.

Name	Year formed
NGO "Rodnik"	1998

For more information on BirdLife's work with Local Conservation Groups, please visit Spotlight on local empowerment.

Habitat	% of IBA	Habitat detail
Grassland	50	Steppes & dry calcareous
Wetlands (inland)	50	Rivers & streams; Standing brackish & salt water; Standing fresh water
Artificial/Terrestrial	minor (<10)	Arable land

Land use	% of IBA
nature conservation and research	100
rangeland/pastureland	5
agriculture	5
urban/industrial/transport	minor (<10)

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Recommended citation
BirdLife International (2024) Important Bird Area factsheet: Korgalzhyn State Nature Reserve (Kazakhstan). Downloaded from https://datazone.birdlife.org/site/factsheet/korgalzhyn-state-nature-reserve-iba-kazakhstan on 23/12/2024.