Sireniki shore of Chukotka

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
Long-tailed Duck Clangula hyemalis VU winter 1989 10,000-12,000 individuals A1
Spectacled Eider Somateria fischeri NT winter 2004 present A4i
Common Eider Somateria mollissima NT winter 1989 9,000-13,000 individuals A4i
Pelagic Cormorant Urile pelagicus LC breeding 1997 abundant A4i
Ross's Gull Rhodostethia rosea LC winter 2004 present A4i
Ivory Gull Pagophila eburnea NT passage 1980-1989 200-1,000 individuals A1, A4i
Crested Auklet Aethia cristatella LC breeding 1985-1987 min 250,000 breeding pairs A4ii
Pigeon Guillemot Cepphus columba LC breeding 1985-1987 min 6,200 individuals A4ii
A4iii Species group - seabirds n/a breeding 1985 min 850,000 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)
Beringiya Natural-ethnic Territory 3,053,300 protected area contains site 30,740


Habitat (IUCN level 1) Habitat detail Extent (% of site)
Grassland Alpine and subalpine grassland -
Marine Coastal/Supratidal -
For more information about the IUCN Habitat classification, please click here.

Recommended citation
BirdLife International (2023) Important Bird Area factsheet: Sireniki shore of Chukotka. Downloaded from on 30/11/2023.