Iony 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
Northern Fulmar Fulmarus glacialis LC breeding 2004 present A4ii
Pelagic Cormorant Urile pelagicus LC breeding 2004 present A4i
Grey-tailed Tattler Tringa brevipes NT passage 2004 present A4i
Black-legged Kittiwake Rissa tridactyla VU breeding 2004 present A4i
Horned Puffin Fratercula corniculata LC breeding 2004 present A4ii
Parakeet Auklet Aethia psittacula LC breeding 2004 present A4ii
Least Auklet Aethia pusilla LC breeding 2004 present A4ii
Whiskered Auklet Aethia pygmaea LC breeding 2009 10,000-20,500 individuals A4ii
Crested Auklet Aethia cristatella LC breeding 2004 present A4ii
Thick-billed Murre Uria lomvia LC breeding 2009 min 312,000 individuals A4ii
Common Murre Uria aalge LC breeding 2009 min 833,000 individuals A4ii
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

Protection status:

Protected Area Designation Area (ha) Relationship with IBA Overlap with IBA (ha)
Ostrov Iony s prilegajuschej vodnoj territoriej Nature Monument 80,000 protected area contained by site 0


IUCN Habitat Habitat detail Extent (% of site)
Coastline Rock stacks and islands -
For further information about the habitat classification please click here.

Recommended citation
BirdLife International (2020) Important Bird Areas factsheet: Iony Island. Downloaded from on 26/09/2020.