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Location Russia (European), Arkhangelsk region
Central coordinates 38o 11.43' East  64o 42.88' North
IBA criteria A1, A4i, A4iii, B1i
Area 60,800 ha
Altitude 0 - 52m
Year of IBA assessment 2007

Populations of IBA trigger species

Species Season Period Population estimate Quality of estimate IBA Criteria IUCN Category
Lesser White-fronted Goose Anser erythropus passage  1999  200 individuals  medium  A1  Vulnerable 
Bean Goose Anser fabalis passage  1999  10,000-19,999 individuals  medium  A4i, B1i  Least Concern 
Greater White-fronted Goose Anser albifrons passage  1999  10,000-19,999 individuals  medium  A4i, B1i  Least Concern 
Barnacle Goose Branta leucopsis passage  1998-1999  6,000-22,500 individuals  good  A4i, B1i  Least Concern 
Brent Goose Branta bernicla passage  1998-1999  1,000-24,000 individuals  good  A4i, B1i  Least Concern 
Tundra Swan Cygnus columbianus passage  1998-1999  1,220-2,000 individuals  good  A4i, B1i  Least Concern 
Greater Scaup Aythya marila breeding  1999  1,800 breeding pairs  medium  A4i, B1i  Least Concern 
Common Goldeneye Bucephala clangula breeding  1999  1,000 breeding pairs  medium  B1i  Least Concern 
A4iii Species group - waterbirds passage  1998-1999  50,000-99,999 individuals  unknown  A4iii   

Protected areas

Protected area Designation Area (ha) Relationship with IBA Overlap with IBA (ha)  
Unskyi Zakaznik 51,507 protected area overlaps with site 39,000  


IUCN habitat Habitat detail Extent (% of site)
Forest Mixed woodland; Native coniferous woodland  29%
Shrubland Scrub  1%
Sea Open Sea  38%
Wetlands (inland) Mud flats and sand flats; Raised bogs; Rivers and streams; Standing freshwater  55%
Artificial - terrestrial Arable land; Other urban and industrial areas  3%

Land use

Land-use Extent (% of site)
agriculture 1%
rangeland/pastureland 1%
fisheries/aquaculture 45%
hunting 80%
tourism/recreation 20%
urban/industrial/transport 2%
nature conservation and research 100%

Acknowledgements The identification of IBAs and information collected between 1980 and 2009 provided by the IBA network of the Russian Bird Conservation Union (RBCU).

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Recommended citation  BirdLife International (2016) Important Bird and Biodiversity Area factsheet: Unskaya bay. Downloaded from on 27/10/2016

To provide new information to update this factsheet or to correct any errors, please email BirdLife