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Location Iran, Islamic Republic of, Golestan
Central coordinates 54o 52.00' East  37o 9.00' North
IBA criteria A1, A4i, B1i, B2
Area 550 ha
Altitude 25 m
Year of IBA assessment 1994

Site description The site comprises two shallow freshwater lakes, Lake Bibishervan (37°09'N 54°52'E, 300 ha) and Lake Eymar (37°08'N 54°52'E, 250 ha), with fringing Phragmites and Carex on the southern edge of the Turkoman Steppes 30 km west-south-west of Gonbad-e Qaboos. The surrounding area is cultivated.

Key Biodiversity See box for key species. A wintering area for a wide variety of waterfowl including good numbers of Netta rufina (up to 740) and Vanellus vanellus. Breeding birds include Glareola pratincola and Chlidonias hybridus, and up to ten Aquila clanga have occurred on passage.

Non-bird biodiversity: None known to BirdLife International.

Populations of IBA trigger species

Species Season Period Population estimate Quality of estimate IBA Criteria IUCN Category
Little Bustard Tetrax tetrax winter  1972  430 individuals  good  A1, B2  Near Threatened 
Northern Lapwing Vanellus vanellus winter  1970-1977  3,000 individuals  good  A4i, B1i  Near Threatened 
Whiskered Tern Chlidonias hybrida breeding  1977  150 breeding pairs  good  B1i  Least Concern 


IUCN habitat Habitat detail Extent (% of site)
Wetlands (inland)   100%
Artificial - terrestrial   major

Land use

Land-use Extent (% of site)
agriculture major

Acknowledgements Data-sheet compiled by Dr D. A. Scott, reviewed by Dept of Environment.

References Scott (1976a,c).

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Recommended citation  BirdLife International (2016) Important Bird and Biodiversity Area factsheet: Lake Bibishervan and Lake Eymar. Downloaded from on 26/10/2016

To provide new information to update this factsheet or to correct any errors, please email BirdLife