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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

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.

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Recommended citation
BirdLife International (2023) Important Bird Area factsheet: Tyuleniy Island. Downloaded from http://datazone.birdlife.org/site/factsheet/16516 on 30/05/2023.