Tyuleniy Island

IBA Criteria

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 estimate 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: 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)
Poronaisky Zapovednik 56,695 protected area overlaps with site 0


IUCN Habitat Habitat detail Extent (% of site)
Coastline Inland cliffs and rocky slopes, Sea cliffs and rocky shores -
Wetlands (inland) Shingle and stony beaches -
Artificial/Terrestrial Urban areas -
For further information about the habitat classification please click here.

Recommended citation
BirdLife International (2022) Important Bird Areas factsheet: Tyuleniy Island. Downloaded from on 06/10/2022.