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RU064
Forty islands
Location Russia (Asian), Yakutia
Central coordinates 125o 15.00' East  64o 45.00' North
IBA criteria A1, A4i, A4iii
Area 414,625 ha
Altitude 46 - 105m
Year of IBA assessment 2004





Populations of IBA trigger species

Species Season Period Population estimate Quality of estimate IBA Criteria IUCN Category
Bean Goose Anser fabalis unknown  2004  present [units unknown]  -  A4i  Least Concern 
Greater White-fronted Goose Anser albifrons unknown  2004  present [units unknown]  -  A4i  Least Concern 
Lesser White-fronted Goose Anser erythropus unknown  2004  present [units unknown]  -  A1, A4i  Vulnerable 
Brent Goose Branta bernicla unknown  2004  present [units unknown]  -  A4i  Least Concern 
Tundra Swan Cygnus columbianus unknown  2004  present [units unknown]  -  A4i  Least Concern 
Falcated Duck Anas falcata unknown  2004  present [units unknown]  -  A4i  Near Threatened 
Eurasian Wigeon Anas penelope unknown  2004  present [units unknown]  -  A4i  Least Concern 
Northern Shoveler Anas clypeata unknown  2004  present [units unknown]  -  A4i  Least Concern 
Northern Pintail Anas acuta unknown  2004  present [units unknown]  -  A4i  Least Concern 
Baikal Teal Anas formosa unknown  2004  present [units unknown]  -  A1, A4i  Least Concern 
Common Teal Anas crecca unknown  2004  present [units unknown]  -  A4i  Least Concern 
Tufted Duck Aythya fuligula unknown  2004  present [units unknown]  -  A4i  Least Concern 
White-winged Scoter Melanitta fusca unknown  2004  present [units unknown]  -  A4i  Not Recognised 
Common Goldeneye Bucephala clangula unknown  2004  present [units unknown]  -  A4i  Least Concern 
Smew Mergellus albellus unknown  2004  present [units unknown]  -  A4i  Least Concern 
Red-breasted Merganser Mergus serrator unknown  2004  present [units unknown]  -  A4i  Least Concern 
Red-throated Loon Gavia stellata unknown  2004  present [units unknown]  -  A4i  Least Concern 
Arctic Loon Gavia arctica unknown  2004  present [units unknown]  -  A4i  Least Concern 
Common Crane Grus grus unknown  2004  present [units unknown]  -  A4i  Least Concern 
Common Greenshank Tringa nebularia unknown  2004  present [units unknown]  -  A4i  Least Concern 
Green Sandpiper Tringa ochropus unknown  2004  present [units unknown]  -  A4i  Least Concern 
Wood Sandpiper Tringa glareola unknown  2004  present [units unknown]  -  A4i  Least Concern 
Common Sandpiper Actitis hypoleucos unknown  2004  present [units unknown]  -  A4i  Least Concern 
A4iii Species group - waterbirds unknown  2004  20,000 individuals  unknown  A4iii   

Protected areas

Protected area Designation Area (ha) Relationship with IBA Overlap with IBA (ha)  
Ust'-Vilyuisky 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)  -

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 (2013) Important Bird Areas factsheet: Forty islands. Downloaded from http://www.birdlife.org on 19/06/2013

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