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Location Russia (European), Orenburg region
Central coordinates 61o 33.07' East  50o 58.33' North
IBA criteria A1, A4i, B1i, B2
Area 11,725 ha
Altitude 190 - 260m
Year of IBA assessment 2007

Populations of IBA trigger species

Species Season Period Population estimate Quality of estimate IBA Criteria IUCN Category
Common Goldeneye Bucephala clangula passage  1998  300-500 individuals  unknown  B1i  Least Concern 
Dalmatian Pelican Pelecanus crispus breeding  1998  26 breeding pairs  unknown  A1, A4i, B1i, B2  Vulnerable 
Black-winged Pratincole Glareola nordmanni passage  1998  40-100 individuals  unknown  A1  Near Threatened 
Sterna nilotica breeding  1998  20-40 breeding pairs  unknown  B2  Not Recognised 
Larus cachinnans breeding  1998  1,000-1,500 breeding pairs  unknown  B1i  Not Recognised 
Little Gull Hydrocoloeus minutus passage  1998  1,500-2,000 individuals  unknown  A4i, B1i  Least Concern 


IUCN habitat Habitat detail Extent (% of site)
Grassland Steppes and dry calcareous grassland  10%
Wetlands (inland) Mud flats and sand flats; Standing brackish and salt water  82%
Artificial - terrestrial Arable land  8%

Land use

Land-use Extent (% of site)
agriculture 40%
rangeland/pastureland 40%
fisheries/aquaculture 10%
hunting 10%

Acknowledgements The identification of IBAs and information collected between 1980 and 2009 provided by the IBA network of the Russian Bird Conservation Union (RBCU).

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Recommended citation  BirdLife International (2016) Important Bird and Biodiversity Area factsheet: Lake Ayke. Downloaded from on 21/10/2016

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