Forty islands (16606)
Russia (Asian), Asia
Other species not triggering KBA criteria
| Taxonomic group | Scientific name | Common name | IUCN Red List Category | Year | |
|---|---|---|---|---|---|
| Aves | Anas acuta | Northern Pintail | LC | 2004 |  |
| Aves | Tringa glareola | Wood Sandpiper | LC | 2004 | |
| Aves | Gavia stellata | Red-throated Loon | LC | 2004 | |
| Aves | Mergellus albellus | Smew | LC | 2004 | |
| Aves | Bucephala clangula | Common Goldeneye | LC | 2004 | |
| Aves | Actitis hypoleucos | Common Sandpiper | LC | 2004 | |
| Aves | Anas crecca | LC | 2004 | | |
| Aves | Tringa nebularia | Common Greenshank | LC | 2004 | |
| Aves | Aythya fuligula | Tufted Duck | LC | 2004 | |
| Aves | Anser albifrons | Greater White-fronted Goose | LC | 2004 | |
| Aves | Spatula clypeata | Northern Shoveler | LC | 2004 | |
| Aves | Anas formosa | Baikal Teal | VU | 2004 | |
| Aves | Melanitta fusca | LC | 2004 | | |
| Aves | Branta bernicla | Brent Goose | LC | 2004 | |
| Aves | Tringa ochropus | Green Sandpiper | LC | 2004 | |
| Aves | Cygnus columbianus | Tundra Swan | LC | 2004 | |
| Aves | Mergus serrator | Red-breasted Merganser | LC | 2004 | |
| Aves | Grus grus | Common Crane | LC | 2004 | |
| Aves | Mareca penelope | Eurasian Wigeon | LC | 2004 | |
| Aves | Anser erythropus | Lesser White-fronted Goose | VU | 2004 | |
| Aves | Gavia arctica | Arctic Loon | LC | 2004 | |
| Aves | Anas falcata | Falcated Duck | LC | 2004 | |
| Aves | Anser fabalis | Bean Goose | LC | 2004 | |
Recommended citation
Key Biodiversity Areas Partnership (2025) Key Biodiversity Areas factsheet: Forty islands. Extracted from the World Database of Key Biodiversity Areas. Developed by the Key Biodiversity Areas Partnership: BirdLife International, IUCN, American Bird Conservancy, Amphibian Survival Alliance, Conservation International, Critical Ecosystem Partnership Fund, Global Environment Facility, Re:wild, NatureServe, Rainforest Trust, Royal Society for the Protection of Birds, World Wildlife Fund and Wildlife Conservation Society. Downloaded from https://keybiodiversityareas.org/ on Dec 17, 2025.