Terenkol Lake

IBA Justification

The site was identified as important in 2007 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
Whooper Swan Cygnus cygnus LC passage 2007 1,000-4,000 individuals A4i
Red-breasted Goose Branta ruficollis VU passage 2007 2,000-5,000 individuals A1, A4i
Greylag Goose Anser anser LC passage 2007 5,000-20,000 individuals A4i
Greater White-fronted Goose Anser albifrons LC passage 2007 3,000-15,000 individuals A4i
Common Goldeneye Bucephala clangula LC passage 2007 1,000-2,900 individuals A4i
Smew Mergellus albellus LC passage 2007 900-2,000 individuals A4i
Goosander Mergus merganser LC passage 2007 50-200 individuals A4i
Great Crested Grebe Podiceps cristatus LC passage 2007 1,400-2,000 individuals A4i
Black-headed Gull Larus ridibundus LC passage 2007 1,900-3,000 individuals A4i
A4iii Species group - waterbirds n/a passage 2007 20,000 individuals A4iii

The current IUCN Red List category may differ from that which was valid at the time of IBA criteria assessment (2007).

IBA Conservation

IBA conservation assessment
Year of assessment (most recent) State (condition) Pressure (threat) Response (action)
2015 very unfavourable not assessed not assessed
Was the whole site assessed? State assessed by Accuracy of information
yes population medium

State (condition of the trigger species' populations)
Scientific name Common name Reference population Actual population Units % of population remaining Result
Anser albifrons Greater White-fronted Goose 3000 630 individuals 21 very unfavourable

Response (conservation actions taken for the trigger species and/or their habitats)
Protected-area designation Management planning Other conservation action Result
Not assessed Not assessed Not assessed not assessed
For more information about IBA conservation status, please click here

IBA Protection

Protected area (PA) PA designation PA area (ha) Relationship of PA with IBA Overlap of PA with IBA (ha)
Sogrovskiy Zakaznik 134,100 protected area contains site 0
Smirnovskiy Zakaznik 204,100 protected area contains site 835


Habitat (IUCN level 1) Habitat detail Extent (% of site)
Forest Wooded steppe -
Wetlands (inland) Standing fresh water, Water-fringe vegetation -
Artificial/Terrestrial Arable land, Highly improved reseeded grasslands -
For more information about the IUCN Habitat classification, please click here.

Land use

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

Recommended citation
BirdLife International (2023) Important Bird Area factsheet: Terenkol Lake. Downloaded from on 04/10/2023.