Bolchoi Tkhach mountain

IBA Criteria

Year of most recent IBA criteria assessment: 2008

Populations of IBA trigger species
Species Current IUCN Red List Category Season Year(s) of estimate Population estimate IBA Criteria Triggered
Caucasian Grouse Lyrurus mlokosiewiczi NT resident 2007 20-30 males A1, A2, A3
Caucasian Grouse Lyrurus mlokosiewiczi NT resident 1987 50 individuals A2, A3
Corncrake Crex crex LC breeding 2007 20-30 males A1
Yellow-billed Chough Pyrrhocorax graculus LC resident 2007 30-50 breeding pairs A3
Krueper's Nuthatch Sitta krueperi LC breeding 2007 50-100 breeding pairs A1
Wallcreeper Tichodroma muraria LC breeding 2007 2-3 breeding pairs A3
Semi-collared Flycatcher Ficedula semitorquata LC breeding 2007 200-300 breeding pairs A1
Alpine Accentor Prunella collaris LC breeding 2007 10-30 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)
2007 high not assessed negligible
Was the whole site covered? Yes State assessed by unset
Accuracy of information medium

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) - agro-industry grazing, ranching or farmin happening now small area/few individuals (<10%) slow but significant deterioration low
Biological resource use hunting & collecting terrestrial animals - intentional use (species being assessed is the target) happening now small area/few individuals (<10%) very rapid to severe deterioration low
Biological resource use logging & wood harvesting - unintentional effects: large scale happening now some of area/population (10-49%) moderate to rapid deterioration high
Human intrusions and disturbance recreational activities happening now some of area/population (10-49%) slow but significant deterioration medium

Condition of key/trigger populations (state)
Scientific Common TargetPop ActualPop Units Remaining Result
Gypaetus barbatus Bearded Vulture 1 1 breeding pairs 100 not assessed
Neophron percnopterus Egyptian Vulture 1 0 breeding pairs 0 not assessed
Gyps fulvus Griffon Vulture 5 2 individuals 40 not assessed

Conservation actions taken at site (response)
Conservation Designation Management Planning Conservation Action Result
Some of site covered (10-49%) No management planning has taken place Very little or no conservation action taking place negligible
For more information about IBA monitoring please click here

IBA Protection

Protected Area Designation Area (ha) Relationship with IBA Overlap with IBA (ha)
Turinyi Zakaznik 3,900 protected area overlaps with site 0
Psebaiskiy Zakaznik 37,400 protected area is adjacent to site 0
Dahovskiy Zakaznik 23,000 protected area overlaps with site 0


IUCN Habitat Habitat detail Extent (% of site)
Forest Broadleaved deciduous woodland, Native coniferous woodland -
Grassland Alpine, subalpine and boreal grassland -
Wetlands (inland) Rivers and streams -
Rocky areas (eg. inland cliffs, mountain peaks) -
Artificial/Terrestrial Other urban and industrial areas -
For further information about the habitat classification please click here.

Land use

Land-use Extent (% of site)
rangeland/pastureland -
forestry -
hunting -
tourism/recreation -
urban/industrial/transport -
For further information about the land use classification please click here.

Recommended citation
BirdLife International (2022) Important Bird Areas factsheet: Bolchoi Tkhach mountain. Downloaded from on 08/08/2022.