RU3064
Forty islands


IBA Criteria

Year of most recent IBA criteria assessment: 2004

Populations of IBA trigger species
Species Current IUCN Red List Category Season Year(s) of estimate Population estimate IBA Criteria Triggered
Tundra Swan Cygnus columbianus LC breeding 2004 present A4i
Brent Goose Branta bernicla LC breeding 2004 present A4i
Bean Goose Anser fabalis LC unknown 2004 present A4i
Greater White-fronted Goose Anser albifrons LC breeding 2004 present A4i
Lesser White-fronted Goose Anser erythropus VU breeding 2004 present A1, A4i
Melanitta fusca NR unknown 2004 present A4i
Common Goldeneye Bucephala clangula LC breeding 2004 present A4i
Smew Mergellus albellus LC breeding 2004 present A4i
Red-breasted Merganser Mergus serrator LC unknown 2004 present A4i
Tufted Duck Aythya fuligula LC unknown 2004 present A4i
Northern Shoveler Spatula clypeata LC unknown 2004 present A4i
Baikal Teal Sibirionetta formosa LC breeding 2004 present A1, A4i
Falcated Duck Mareca falcata NT breeding 2004 present A4i
Eurasian Wigeon Mareca penelope LC breeding 2004 present A4i
Northern Pintail Anas acuta LC unknown 2004 present A4i
Common Teal Anas crecca LC unknown 2004 present A4i
Common Crane Grus grus LC breeding 2004 present A4i
Red-throated Loon Gavia stellata LC unknown 2004 present A4i
Arctic Loon Gavia arctica LC unknown 2004 present A4i
Common Sandpiper Actitis hypoleucos LC unknown 2004 present A4i
Green Sandpiper Tringa ochropus LC breeding 2004 present A4i
Common Greenshank Tringa nebularia LC breeding 2004 present A4i
Wood Sandpiper Tringa glareola LC unknown 2004 present A4i
A4iii Species group - waterbirds n/a unknown 2004 20,000 individuals A4iii

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)
Ust'-Viljujskiy Zakaznik 1,016,000 protected area contains site 414,625

Habitats

IUCN Habitat Habitat detail Extent (% of site)
Wetlands (inland) -
Grassland Edaphic grassland -
Shrubland -
Forest Coniferous forest (temperate/boreal) -
For further information about the habitat classification please click here.


Recommended citation
BirdLife International (2020) Important Bird Areas factsheet: Forty islands. Downloaded from http://www.birdlife.org on 25/01/2020.