Utkholok river

IBA Justification

The site was identified as important in 2004 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
Bean Goose Anser fabalis LC unknown 2004 present A4i
Greater White-fronted Goose Anser albifrons LC passage 2004 present A4i
Greater Scaup Aythya marila LC breeding 1997 frequent A3
Pacific Golden Plover Pluvialis fulva LC breeding 1997 frequent A3
Dunlin Calidris alpina LC breeding 1997 common A3
Red-necked Phalarope Phalaropus lobatus LC breeding 1997 common A3
Slaty-backed Gull Larus schistisagus LC resident 2004 present A4i
Arctic Tern Sterna paradisaea LC breeding 1997 frequent A3
Long-tailed Jaeger Stercorarius longicaudus LC breeding 1997 frequent A3
Arctic Jaeger Stercorarius parasiticus LC breeding 1997 frequent A3
Pechora Pipit Anthus gustavi LC breeding 1997 common A3
Red-throated Pipit Anthus cervinus LC breeding 1997 frequent A3
Lapland Longspur Calcarius lapponicus LC breeding 1997 common A3
A4iii Species group - waterbirds n/a unknown 2004 20,000 individuals A4iii

The current IUCN Red List category may differ from that which was valid at the time of IBA criteria assessment (2004).

IBA Protection

Protected area (PA) PA designation PA area (ha) Relationship of PA with IBA Overlap of PA with IBA (ha)
Utkholok Ramsar Site, Wetland of International Importance 220,000 protected area contains site 0
Utholok Zakaznik 49,800 protected area contains site 49,800


Habitat (IUCN level 1) Habitat detail Extent (% of site)
Wetlands (inland) Permanent swamps -
Grassland Tundra -
Marine Coastal/Supratidal -
For more information about the IUCN Habitat classification, please click here.

Recommended citation
BirdLife International (2023) Important Bird Area factsheet: Utkholok river. Downloaded from on 22/09/2023.