Tyuleniy Island

IBA Justification

The site was identified as important in 2016 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
Baikal Teal Sibirionetta formosa LC passage 1997 present A1
Northern Fulmar Fulmarus glacialis LC breeding 1997 present A4ii
Spotted Greenshank Tringa guttifer EN passage 1997 present A1
Black-legged Kittiwake Rissa tridactyla VU breeding 1997 present A4i
Slaty-backed Gull Larus schistisagus LC breeding 1997 present A4i
Rhinoceros Auklet Cerorhinca monocerata LC breeding 1997 present A4ii
Parakeet Auklet Aethia psittacula LC breeding 1997 present A4ii
Crested Auklet Aethia cristatella LC breeding 1997 present A4ii
Ancient Murrelet Synthliboramphus antiquus LC breeding 1997 present A4ii
Thick-billed Murre Uria lomvia LC breeding 1997 present A4ii
Common Murre Uria aalge LC breeding 2006 min 250,000 individuals A4ii
Steller's Sea-eagle Haliaeetus pelagicus VU passage 1997 present A1
A4iii Species group - seabirds n/a breeding 2006 min 250,000 individuals A4iii

The current IUCN Red List category may differ from that which was valid at the time of IBA criteria assessment (2016).

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


Habitat (IUCN level 1) Habitat detail Extent (% of site)
Wetlands (inland) Shingle and stony beaches -
Artificial/Terrestrial Urban areas -
Marine Coastal/Supratidal -
For more information about the IUCN Habitat classification, please click here.

Recommended citation
BirdLife International (2024) Important Bird Area factsheet: Tyuleniy Island. Downloaded from on 22/02/2024.