Upper and Middle Yuribey

IBA Criteria

Year of most recent IBA criteria assessment: 2006

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 non-breeding 2005 1,000-1,200 individuals A4i
Red-breasted Goose Branta ruficollis VU non-breeding 2005 55-70 individuals A1
Greater White-fronted Goose Anser albifrons LC non-breeding 2005 6,000-8,000 individuals A4i
Red-breasted Merganser Mergus serrator LC non-breeding 2005 100-200 individuals A4i
Greater Scaup Aythya marila LC non-breeding 2005 7,000-10,000 individuals A4i
Northern Pintail Anas acuta LC non-breeding 2005 8,000-15,000 individuals A4i
Red-throated Loon Gavia stellata LC non-breeding 2005 300-400 individuals A4i
Grey Plover Pluvialis squatarola LC breeding 2005 800-1,000 individuals A3
Temminck's Stint Calidris temminckii LC breeding 2005 20,000-30,000 individuals A3
Dunlin Calidris alpina LC breeding 2005 4,000-4,500 individuals A3
Little Stint Calidris minuta LC breeding 2005 10,000-20,000 individuals A3
Spotted Redshank Tringa erythropus LC breeding 2005 50-100 individuals A3
Arctic Tern Sterna paradisaea LC non-breeding 2005 5,000-5,500 individuals A3
Long-tailed Jaeger Stercorarius longicaudus LC breeding 1980-2005 1,000-2,000 breeding pairs A3, A4ii
Arctic Jaeger Stercorarius parasiticus LC breeding 1980-2005 500-1,500 breeding pairs A3, A4ii
Snowy Owl Bubo scandiacus VU breeding 1980-2004 4-20 individuals A3
Rough-legged Buzzard Buteo lagopus LC breeding 2005 6,000-7,000 individuals A3
Red-throated Pipit Anthus cervinus LC breeding 2005 170,000-180,000 individuals A3
A4iii Species group - waterbirds n/a non-breeding 1980-2005 230,000-600,000 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

Protected Area Designation Area (ha) Relationship with IBA Overlap with IBA (ha)
Dolina reki Yuribey Nature Reserve 0 protected area contains site 400,000


IUCN Habitat Habitat detail Extent (% of site)
Shrubland -
Grassland Tundra -
Wetlands (inland) Standing freshwater -
For further information about the habitat classification please click here.

Land use

Land-use Extent (% of site)
agriculture -
fisheries/aquaculture -
hunting -
urban/industrial/transport -
not utilised -
For further information about the land use classification please click here.

Recommended citation
BirdLife International (2022) Important Bird Areas factsheet: Upper and Middle Yuribey. Downloaded from on 16/08/2022.