Zorkul Nature Reserve (Lake Victoria)

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
Himalayan Snowcock Tetraogallus himalayensis LC resident 2000-2006 100-150 breeding pairs A3
Tibetan Snowcock Tetraogallus tibetanus LC resident 2000-2006 25-50 breeding pairs A3
Bar-headed Goose Anser indicus LC breeding 2000-2006 60-125 breeding pairs A3
Ruddy Shelduck Tadorna ferruginea LC passage 2000-2006 200-3,500 individuals A4i
Lesser Sandplover Charadrius mongolus LC breeding 2000-2006 40-60 breeding pairs A3
Brown-headed Gull Larus brunnicephalus LC breeding 2000-2006 20-30 breeding pairs A3
Himalayan Griffon Gyps himalayensis NT resident 2000-2006 8-10 breeding pairs A3
Saker Falcon Falco cherrug EN passage 2000-2006 4 individuals A1
Yellow-billed Chough Pyrrhocorax graculus LC resident 2000-2006 15-18 breeding pairs A3
Hume's Lark Calandrella acutirostris LC breeding 2000-2006 200-250 breeding pairs A3
White-winged Redstart Phoenicurus erythrogastrus LC breeding 2000-2006 3-4 breeding pairs A3
Altai Accentor Prunella himalayana LC breeding 2000-2006 2-3 breeding pairs A3
Brown Accentor Prunella fulvescens LC breeding 2000-2006 10-12 breeding pairs A3
White-winged Snowfinch Montifringilla nivalis LC resident 2000-2006 20-30 breeding pairs A3
Great Rosefinch Carpodacus rubicilla LC breeding 2000-2006 25-30 breeding pairs A3
Red-fronted Rosefinch Carpodacus puniceus LC breeding 2000-2006 30-40 breeding pairs A3
Brandt's Mountain-finch Leucosticte brandti LC resident 2000-2006 750-1,000 breeding pairs A3

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)
2006 high not assessed high
Was the whole site covered? Yes State assessed by unset
Accuracy of information good

Threats to the site (pressure)
Threat Level 1 Threat Level 2 Timing Scope Severity Result
Agricultural expansion and intensification livestock farming and ranching (includes forest grazing) - small-holder grazing, ranching or farming happening now small area/few individuals (<10%) no or imperceptible deterioration low
Climate change and severe weather storms and floods happening now small area/few individuals (<10%) moderate to rapid deterioration low
Climate change and severe weather temperature extremes 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 A comprehensive and appropriate management plan exists that aims to maintain or improve the populations of qualifying bird species The conservation measures needed for the site are being comprehensively and effectively implemented high
For more information about IBA monitoring please click here

IBA Protection

Protection status:

Protected Area Designation Area (ha) Relationship with IBA Overlap with IBA (ha)
Зоркуль Заповедник 87,770 protected area overlaps with site 0
Zorkul Lake Ramsar Site, Wetland of International Importance 3,800 protected area contained by site 3,800
Zorkul National Nature Reserve 87,700 is identical to site 87,700


IUCN Habitat Habitat detail Extent (% of site)
Grassland -
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)
nature conservation and research -
agriculture -
For further information about the land use classification please click here.

Recommended citation
BirdLife International (2020) Important Bird Areas factsheet: Zorkul Nature Reserve (Lake Victoria). Downloaded from on 27/05/2020.