Sudochye Lake This is an IBA in danger! 

IBA Criteria

Year of most recent IBA criteria assessment: 2006

Populations of IBA trigger species
Species Current IUCN Red List Category Season Year(s) of estimate Population estimate IBA Criteria Triggered
White-headed Duck Oxyura leucocephala EN passage 1999-2008 1-4,000 adults A1, A4i
Mute Swan Cygnus olor LC passage 1987-2005 17-3,000 adults A4i
Greylag Goose Anser anser LC passage 1999-2002 15-6,200 adults A4i
Red-crested Pochard Netta rufina LC passage 1987-2005 2,000-39,000 adults A4i
Ferruginous Duck Aythya nyroca NT passage 1999-2005 1-204 adults A1
Northern Shoveler Spatula clypeata LC passage 1999-2002 29-13,260 adults A4i
Mallard Anas platyrhynchos LC passage 1987-2002 200-29,000 adults A4i
Northern Pintail Anas acuta LC passage 1999-2002 90-15,680 adults A4i
Red-necked Grebe Podiceps grisegena LC passage 1999-2002 152-343 adults A4i
Great Crested Grebe Podiceps cristatus LC passage 1999-2002 10-1,160 adults A4i
Black-necked Grebe Podiceps nigricollis LC passage 1999-2002 3-2,477 adults A4i
Egyptian Nightjar Caprimulgus aegyptius LC breeding 2000-2002 1 adults A3
Common Coot Fulica atra LC passage 1987-2003 8-30,900 adults A4i
Asian Houbara Chlamydotis macqueenii VU breeding 2000-2002 1-2 adults A3
Glossy Ibis Plegadis falcinellus LC passage 1999-2002 54-917 adults A4i
Great White Egret Ardea alba LC passage 1999-2005 5-1,220 adults A4i
Dalmatian Pelican Pelecanus crispus NT passage 1999-2002 20-434 adults A1, A4i
Great White Pelican Pelecanus onocrotalus LC passage 1999-2005 2-6,500 adults A4i
Pygmy Cormorant Microcarbo pygmaeus LC passage 1999-2005 4-2,800 adults A4i
Great Cormorant Phalacrocorax carbo LC passage 1999-2005 112-5,894 adults A4i
Black-winged Stilt Himantopus himantopus LC passage 2000-2002 110-1,200 adults A4i
Greater Sandplover Charadrius leschenaultii LC breeding 2000-2002 common A3
Caspian Plover Charadrius asiaticus LC breeding 2000-2002 common A3
Slender-billed Curlew Numenius tenuirostris CR passage 2000-2001 1-4 adults A1
Black-tailed Godwit Limosa limosa NT passage 2000-2002 2-2,430 adults A4i
Ruff Calidris pugnax LC passage 2000-2002 4,200 individuals A4i
Asian Dowitcher Limnodromus semipalmatus NT passage 2000-2002 1-10 adults A1, A4i
Caspian Gull Larus cachinnans LC passage 2000-2002 500-2,400 individuals A4i
Greater Spotted Eagle Clanga clanga VU passage 2000-2002 2-5 adults A1
Saker Falcon Falco cherrug EN breeding 1999-2002 1-6 adults A1
Sykes's Warbler Iduna rama LC breeding 2000-2002 1-14 adults A3
Asian Desert Warbler Curruca nana LC breeding 2000-2002 1-2 adults A3
Desert Finch Rhodospiza obsoleta LC breeding 2000-2002 4 adults A3
A4iii Species group - waterbirds n/a passage 1999-2000 11,400-86,000 individuals A4iii

Note: This table presents the IBA criteria triggered and the species that triggered then at the time of assessment, the current IUCN Red List category may vary from that which was in place at that time.

For more information about the IBA assessment process and criteria please click here

IBA Monitoring

Most recent IBA monitoring assessment
Year of assessment Threat score (pressure) Condition score (state) Action score (response)
2019 very high not assessed low
Was the whole site covered? No State assessed by unset
Accuracy of information medium

Threats to the site (pressure)
Threat Level 1 Threat Level 2 Timing Scope Severity Result
Biological resource use fishing & harvesting aquatic resources - intentional use: lg scale happening now majority/most of area/population (50-90%) moderate to rapid deterioration high
Climate change and severe weather drought likely in short term (within 4 years) whole area/population (>90%) very rapid to severe deterioration very high
Natural system modifications fire & fire suppression - increase in fire frequency/intensity happening now some of area/population (10-49%) moderate to rapid deterioration high

Conservation actions taken at site (response)
Conservation Designation Management Planning Conservation Action Result
Whole area of site (>90%) covered by appropriate conservation designation No management planning has taken place Very little or no conservation action taking place low
For more information about IBA monitoring please click here

IBA Protection

Protected Area Designation Area (ha) Relationship with IBA Overlap with IBA (ha)
Sudochye Wildlife Refuge 50,000 is identical to site 41,940


IUCN Habitat Habitat detail Extent (% of site)
Shrubland -
Desert -
Wetlands (inland) -
Rocky areas (eg. inland cliffs, mountain peaks) -
For further information about the habitat classification please click here.

Land use

Land-use Extent (% of site)
agriculture -
forestry -
hunting -
fisheries/aquaculture -
nature conservation and research -
water management -
For further information about the land use classification please click here.

Recommended citation
BirdLife International (2022) Important Bird Areas factsheet: Sudochye Lake. Downloaded from on 28/09/2022.