Tyuleniy Island

IBA Justification

Year of most recent IBA criteria assessment: 2016

Populations of IBA trigger species
Species Current IUCN Red List Category Season Year(s) of estimate Population at site IBA criteria triggered
Baikal Teal Sibirionetta formosa LC breeding 2004 present A1
Northern Fulmar Fulmarus glacialis LC breeding 2004 present A4ii
Spotted Greenshank Tringa guttifer EN passage 2004 present A1
Black-legged Kittiwake Rissa tridactyla VU breeding 2004 present A4i
Slaty-backed Gull Larus schistisagus LC breeding 2004 present A4i
Rhinoceros Auklet Cerorhinca monocerata LC breeding 2004 present A4ii
Parakeet Auklet Aethia psittacula LC breeding 2004 present A4ii
Crested Auklet Aethia cristatella LC breeding 2004 present A4ii
Ancient Murrelet Synthliboramphus antiquus LC breeding 2004 present A4ii
Thick-billed Murre Uria lomvia LC breeding 2004 present A4ii
Common Murre Uria aalge LC breeding 2006 min 250,000 individuals A4ii
Steller's Sea-eagle Haliaeetus pelagicus VU winter 2004 present A1
A4iii Species group - seabirds n/a breeding 2004 min 10,000 breeding pairs A4iii

Note: The current IUCN Red List category may differ from the category that was valid at the time of IBA criteria assessment.

For more information about the IBA criteria, please click here

IBA Protection

Protected area (PA) PA designation PA area (ha) Relationship of PA with IBA Overlap of PA with IBA (ha)
Poronaisky Zapovednik 56,695 protected area overlaps with site 0


IUCN Habitat Habitat detail Extent (% of site)
Wetlands (inland) Shingle and stony beaches -
Artificial/Terrestrial Urban areas -
Marine Coastal/Supratidal -
For further information about the IUCN habitat classification, please click here.

Recommended citation
BirdLife International (2023) Important Bird Area factsheet: Tyuleniy Island. Downloaded from on 30/05/2023.