IBA Justification

The site was identified as important in 2005 because it was regularly supporting significant populations of the species listed below, meeting ('triggering') IBA criteria.

Populations meeting IBA criteria ('trigger species'):
Species Current IUCN Red List Category Season Year(s) Population estimate at site IBA criteria met
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

The current IUCN Red List category may differ from that which was valid at the time of IBA criteria assessment (2005).

IBA Protection

Protected area (PA) PA designation PA area (ha) Relationship of PA with IBA Overlap of PA 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


Habitat (IUCN level 1) Habitat detail Extent (% of site)
Forest Mixed woodland -
Wetlands (inland) Standing freshwater, Water fringe vegetation -
Artificial/Terrestrial Arable land -
For more information about the IUCN Habitat classification, please click here.

Land use

Land-use Extent (% of site)
fisheries/aquaculture -
forestry -
agriculture -

Recommended citation
BirdLife International (2023) Important Bird Area factsheet: Sialiec. Downloaded from on 28/09/2023.