Tallymerjen This is an IBA in danger! 

IBA Criteria

Year of most recent IBA criteria assessment: 2007

Populations of IBA trigger species
Species Current IUCN Red List Category Season Year(s) of estimate Population estimate IBA Criteria Triggered
Greylag Goose Anser anser LC winter 2007 28-5,182 individuals A4i
Ruddy Shelduck Tadorna ferruginea LC winter 2007 90-6,010 individuals A4i
Common Crane Grus grus LC winter 2007 150-5,164 individuals A4i
Little Bustard Tetrax tetrax NT winter 2007 1-150 individuals A1
A4iii Species group - waterbirds n/a winter 2007 min 20,000 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)
2018 very high favourable negligible
Was the whole site covered? No State assessed by Population
Accuracy of information good

Threats to the site (pressure)
Threat Level 1 Threat Level 2 Timing Scope Severity Result
Agricultural expansion and intensification annual & perennial non-timber crops - agro-industry farming happening now majority/most of area/population (50-90%) very rapid to severe deterioration very high
Biological resource use hunting & collecting terrestrial animals - intentional use (species being assessed is the target) happening now majority/most of area/population (50-90%) moderate to rapid deterioration high
Energy production and mining oil and gas drilling happening now some of area/population (10-49%) slow but significant deterioration medium
Human intrusions and disturbance recreational activities happening now some of area/population (10-49%) moderate to rapid deterioration high

Condition of key/trigger populations (state)
Scientific Common TargetPop ActualPop Units Remaining Result
Anser erythropus Lesser White-fronted Goose 2 2 individuals 100 favourable
Columba eversmanni Yellow-eyed Pigeon 2 2 individuals 100 favourable
Chlamydotis macqueenii Asian Houbara 1 1 individuals 100 favourable
Vanellus gregarius Sociable Lapwing 6000 6000 individuals 100 favourable
Neophron percnopterus Egyptian Vulture 2 2 individuals 100 favourable
Clanga clanga Greater Spotted Eagle 2 2 individuals 100 favourable
Aquila nipalensis Steppe Eagle 30 30 individuals 100 favourable
Aquila heliaca Eastern Imperial Eagle 3 3 individuals 100 favourable
Falco cherrug Saker Falcon 4 4 individuals 100 favourable
Scotocerca inquieta Streaked Scrub-warbler 3 3 breeding pairs 100 favourable
Oenanthe finschii Finsch's Wheatear 3 3 individuals 100 favourable

Conservation actions taken at site (response)
Conservation Designation Management Planning Conservation Action Result
Not assessed No management plan exists but the management planning process has begun Not assessed negligible
For more information about IBA monitoring please click here


IUCN Habitat Habitat detail Extent (% of site)
Desert -
Artificial/Terrestrial -
For further information about the habitat classification please click here.

Land use

Land-use Extent (% of site)
agriculture -
For further information about the land use classification please click here.

Recommended citation
BirdLife International (2021) Important Bird Areas factsheet: Tallymerjen. Downloaded from on 27/10/2021.