Bol'shoy and Maly Akh lakes

IBA Criteria

Year of most recent IBA criteria assessment: 2006

Populations of IBA trigger species
Species Current IUCN Red List Category Season Year(s) of estimate Population estimate IBA Criteria Triggered
Hazel Grouse Bonasa bonasia LC breeding 2002 200-500 breeding pairs A3
Western Capercaillie Tetrao urogallus LC breeding 2002 20-50 breeding pairs A3
Whooper Swan Cygnus cygnus LC breeding 2002 2-5 breeding pairs A3
Common Goldeneye Bucephala clangula LC breeding 2002 10-30 breeding pairs A3
Eurasian Wigeon Mareca penelope LC breeding 2002 50-100 breeding pairs A3
Green Sandpiper Tringa ochropus LC breeding 2002 20-50 breeding pairs A3
Common Greenshank Tringa nebularia LC breeding 2002 3-10 breeding pairs A3
Siberian Jay Perisoreus infaustus LC breeding 2002 present A3
Brambling Fringilla montifringilla LC breeding 2002 present A3
Red Crossbill Loxia curvirostra LC breeding 2002 present A3
Yellow-breasted Bunting Emberiza aureola CR breeding 2002 10-50 breeding pairs A1

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)
Chernorechenskiy Zakaznik 10,000 protected area overlaps with site 0


IUCN Habitat Habitat detail Extent (% of site)
Forest Alluvial and very wet forest -
Wetlands (inland) Standing freshwater, Rivers and streams -
For further information about the habitat classification please click here.

Land use

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

Recommended citation
BirdLife International (2021) Important Bird Areas factsheet: Bol'shoy and Maly Akh lakes. Downloaded from on 24/01/2021.