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The site was identified as internationally important for bird conservation in 2008 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	passage (1996–2007)	< 50 birds	A1
Red-breasted Goose Branta ruficollis	VU	passage (2007)	142–65,000 birds	A1, A4i
Greylag Goose Anser anser	LC	passage (2007)	1,108–35,932 birds	A4i
Greater White-fronted Goose Anser albifrons	LC	passage (2007)	1,727–87,000 birds	A4i
Lesser White-fronted Goose Anser erythropus	VU	passage (2007)	36–2,030 birds	A1, A4i
Tufted Duck Aythya fuligula	LC	passage (2005)	11,100 birds	A4i
Mallard Anas platyrhynchos	LC	passage (1997)	22,000 birds	A4i
Northern Pintail Anas acuta	LC	passage (1997)	19,000 birds	A4i
Eurasian Coot Fulica atra	LC	passage (2005)	44,827 birds	A4i
Siberian Crane Leucogeranus leucogeranus	CR	passage (2006)	2 birds	A1
Demoiselle Crane Anthropoides virgo	LC	breeding (2007)	unknown	A3
Little Bustard Tetrax tetrax	NT	breeding (2007)	unknown	A3
Dalmatian Pelican Pelecanus crispus	NT	non-breeding (2000–2002)	12–78 birds	A1
Sociable Lapwing Vanellus gregarius	CR	breeding (2007)	rare	A1, A3
Black-winged Pratincole Glareola nordmanni	NT	breeding (2004)	25–150 birds	A1, A3
Pallid Harrier Circus macrourus	NT	breeding (2007)	unknown	A3
Red-footed Falcon Falco vespertinus	VU	breeding (2007)	unknown	A3
A4iii Species group - waterbirds	n/a	passage (1996–2007)	170,000–500,000 birds	A4iii

Ideally the conservation status of the IBA will have been checked regularly since the site was first identified in 2008. The most recent assessment (2015) is shown below.

State (condition of the trigger species' habitats)
Habitat	Quantity (% remaining)	Quality (% carrying capacity)	Result
Wetlands (inland)	moderate (70–90%)	good (>90%)	moderate
Grassland	moderate (70–90%)	good (>90%)	moderate
Artificial/Terrestrial	good (>90%)	good (>90%)	good

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

Response (conservation actions taken for the trigger species and/or their habitats)
Designation	Planning	Action	Result
Little/none of area covered (<10%)	No management planning has taken place	Some limited conservation initiatives are in place	not assessed

Habitat	% of IBA	Habitat detail
Artificial/Terrestrial	36	Arable land; Forestry plantations; Highly improved reseeded grasslands; Other urban & industrial areas; Ruderal land
Wetlands (inland)	34	Rivers & streams; Standing fresh water; Water-fringe vegetation
Grassland	30	Mesophile grassland & tall grass steppe; Steppes & dry calcareous

Land use	% of IBA
hunting	90
rangeland/pastureland	30
fisheries/aquaculture	25
agriculture	15

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Recommended citation
BirdLife International (2024) Important Bird Area factsheet: Koybagar-Tyuntyugur Lake System (Kazakhstan). Downloaded from https://datazone.birdlife.org/site/factsheet/koybagar-tyuntyugur-lake-system-iba-kazakhstan on 23/12/2024.