Preobrazheniya island

IBA Justification

The site was identified as important in 2004 because it was regularly supporting significant populations of the species listed below, meeting ('triggering') IBA criteria.

Populations meeting IBA criteria ('trigger species'):
Species Current IUCN Red List Category Season Year(s) Population estimate at site IBA criteria met
King Eider Somateria spectabilis LC breeding 1998 uncommon A3
Grey Plover Pluvialis squatarola LC breeding 1998 frequent A3
Pacific Golden Plover Pluvialis fulva LC breeding 1998 frequent A3
Ruddy Turnstone Arenaria interpres LC breeding 1998 rare A3
Temminck's Stint Calidris temminckii LC breeding 1998 frequent A3
Dunlin Calidris alpina LC breeding 1998 uncommon A3
Little Stint Calidris minuta LC breeding 1998 frequent A3
Red Phalarope Phalaropus fulicarius LC breeding 1998 frequent A3
Black-legged Kittiwake Rissa tridactyla VU breeding 1990 30,000-40,000 individuals A4i
Glaucous Gull Larus hyperboreus LC breeding 1998 abundant A3
Arctic Tern Sterna paradisaea LC breeding 1998 uncommon A3
Long-tailed Jaeger Stercorarius longicaudus LC breeding 1998 uncommon A3
Snowy Owl Bubo scandiacus VU breeding 1998 common A3
Lapland Longspur Calcarius lapponicus LC breeding 1998 frequent A3
Snow Bunting Plectrophenax nivalis LC breeding 1998 common A3
A4iii Species group - seabirds n/a breeding 1998 60,000-70,000 individuals A4iii

The current IUCN Red List category may differ from that which was valid at the time of IBA criteria assessment (2004).

IBA Protection

Protected area (PA) PA designation PA area (ha) Relationship of PA with IBA Overlap of PA with IBA (ha)
Terpej-Tumus Resource Reserve 1,112,000 protected area contains site 3,500


Habitat (IUCN level 1) Habitat detail Extent (% of site)
Grassland Tundra -
Wetlands (inland) -
Marine Coastal/Supratidal -
For more information about the IUCN Habitat classification, please click here.

Recommended citation
BirdLife International (2023) Important Bird Area factsheet: Preobrazheniya island. Downloaded from on 29/11/2023.