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
Common Pochard Aythya ferina VU breeding 1990 200-300 breeding pairs B3
Gadwall Mareca strepera LC breeding 1990 15-25 breeding pairs B2
Eurasian Bittern Botaurus stellaris LC breeding 1990 20-40 breeding pairs B2
Eurasian Eagle-owl Bubo bubo LC resident 1995 3-6 breeding pairs B2
White-tailed Sea-eagle Haliaeetus albicilla LC breeding 1996 4-6 breeding pairs A1, B2

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

Protected Area Designation Area (ha) Relationship with IBA Overlap with IBA (ha)
Mikhalinsko-Berezovskiy Nature Sanctuary or Partial Reserve 7,900 protected area overlaps with site 0
Buslauka Nature Sanctuary or Partial Reserve (Local) 7,936 protected area overlaps with site 7,936


IUCN Habitat Habitat detail Extent (% of site)
Forest Mixed woodland -
Wetlands (inland) Standing freshwater, Water fringe vegetation -
Artificial/Terrestrial Arable land -
For further information about the habitat classification please click here.

Land use

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

Recommended citation
BirdLife International (2023) Important Bird Areas factsheet: Sialiec. Downloaded from on 23/03/2023.