IBA Criteria

Year of most recent IBA criteria assessment: 2003

Populations of IBA trigger species
Species Current IUCN Red List Category Season Year(s) of estimate Population estimate IBA Criteria Triggered
Long-tailed Duck Clangula hyemalis VU passage 1993-1999 20,000-200,000 individuals A4i, B1i, C3
Melanitta nigra NR non-breeding 1993-1996 1-20,000 individuals A4i, B1i, C3
Common Goldeneye Bucephala clangula LC passage 1996 10,000 individuals A4i, B1i, C3
Greater Scaup Aythya marila LC passage 1996 10,000 individuals A4i, B1i, C3
European Nightjar Caprimulgus europaeus LC breeding 1998-2003 50 breeding pairs C6
Eurasian Eagle-owl Bubo bubo LC breeding 1987-2001 4-5 breeding pairs C6
Woodlark Lullula arborea LC breeding 1991-1999 50 breeding pairs C6
A4iii Species group - waterbirds n/a passage - 100,000-499,999 individuals A4iii, C4

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)
Tuksi püsielupaik Species Protection Site 60 protected area overlaps with site 33
Osmussaare maastikukaitseala Landscape Protection Area 487 protected area contained by site 487
Nõva-Osmussaare hoiuala Limited Management Zone 22,167 protected area overlaps with site 21,197
Nõva-Osmussaare Special Protection Area (Birds Directive) 271,297 protected area contains site 23,924
Nõva-Osmussaare Site of Community Importance (Habitats Directive) 24,612 protected area overlaps with site 23,570
Nõva maastikukaitseala Landscape Protection Area 1,867 protected area overlaps with site 1,841


IUCN Habitat Habitat detail Extent (% of site)
Sea -
Forest Native coniferous woodland -
Wetlands (inland) Water fringe vegetation -
Shrubland -
For further information about the habitat classification please click here.

Land use

Land-use Extent (% of site)
fisheries/aquaculture -
tourism/recreation -
forestry -
nature conservation and research -
For further information about the land use classification please click here.

Recommended citation
BirdLife International (2020) Important Bird Areas factsheet: Nõva-Osmussaar. Downloaded from on 22/01/2020.