Dolgy Reef and Bol'shoi Fiskar archipelagos

IBA Criteria

Year of most recent IBA criteria assessment: 2007

Populations of IBA trigger species
Species Current IUCN Red List Category Season Year(s) of estimate Population estimate IBA Criteria Triggered
Great Cormorant Phalacrocorax carbo LC breeding 1995 1,000-1,300 breeding pairs B1i
Lesser Black-backed Gull Larus fuscus LC breeding 1995 1,000-1,500 breeding pairs B1i, B3
Caspian Tern Hydroprogne caspia LC breeding 1995 26 breeding pairs 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


IUCN Habitat Habitat detail Extent (% of site)
Sea Open Sea, Sea inlets and coastal features -
Wetlands (inland) -
Coastline Sea cliffs and rocky shores, Rock stacks and islets -
For further information about the habitat classification please click here.

Land use

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

Recommended citation
BirdLife International (2022) Important Bird Areas factsheet: Dolgy Reef and Bol'shoi Fiskar archipelagos. Downloaded from on 26/01/2022.