IBA Criteria

Year of most recent IBA criteria assessment: 2005

Populations of IBA trigger species
Species Current IUCN Red List Category Season Year(s) of estimate Population estimate IBA Criteria Triggered
Western Capercaillie Tetrao urogallus LC resident 1998 70-90 breeding pairs A3
Whooper Swan Cygnus cygnus LC breeding 1998 5-10 breeding pairs A3
Common Goldeneye Bucephala clangula LC breeding 1998 167 breeding pairs A3, A4i
Eurasian Wigeon Mareca penelope LC breeding 1998 50-75 breeding pairs A3
Horned Grebe Podiceps auritus VU breeding 1998 34-50 breeding pairs A3
Corncrake Crex crex LC breeding 1998 55-100 breeding pairs A1
Swinhoe's Snipe Gallinago megala LC breeding 1998 16 breeding pairs A3
Green Sandpiper Tringa ochropus LC breeding 1998 60-70 breeding pairs A3
Common Greenshank Tringa nebularia LC breeding 1998 3 breeding pairs A3
Ural Owl Strix uralensis LC resident 1998 3 breeding pairs A3
Great Grey Owl Strix nebulosa LC breeding 1998 1-3 breeding pairs A3
Greater Spotted Eagle Clanga clanga VU breeding 1998 2-3 breeding pairs A1
Siberian Jay Perisoreus infaustus LC resident 1996-1997 10-15 breeding pairs A3
Yellow-browed Warbler Phylloscopus inornatus LC breeding 1998 present A3
Arctic Warbler Phylloscopus borealis LC breeding 1998 370 breeding pairs A3
Brambling Fringilla montifringilla LC breeding 1998 167 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 Protection

Protection status:

Protected Area Designation Area (ha) Relationship with IBA Overlap with IBA (ha)
Sokolovskiy Zakaznik 36,000 protected area overlaps with site 0


IUCN Habitat Habitat detail Extent (% of site)
Forest Native coniferous woodland, Mixed woodland -
Shrubland -
Wetlands (inland) Standing freshwater, Raised bogs -
For further information about the habitat classification please click here.

Land use

Land-use Extent (% of site)
forestry -
hunting -
not utilised -
other -
For further information about the land use classification please click here.

Recommended citation
BirdLife International (2020) Important Bird Areas factsheet: Bystroistokskaya. Downloaded from on 27/11/2020.