Nerpich'ye Lake and Kamchatka River delta

IBA Justification

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
Whooper Swan Cygnus cygnus LC breeding 2004 present A4i
Long-tailed Duck Clangula hyemalis VU passage 2012 min 49,100 individuals A1, A4i
Steller's Eider Polysticta stelleri VU passage 2012 1,500-2,000 individuals A1, A4i
Siberian Scoter Melanitta stejnegeri LC passage 2012 min 73,500 individuals A4i
Red-breasted Merganser Mergus serrator LC passage 2012 min 11,700 individuals A4i
Greater Scaup Aythya marila LC passage 2012 min 27,100 individuals A4i
Mew Gull Larus canus LC breeding 2008-2011 28,000-32,800 individuals A4i
Slaty-backed Gull Larus schistisagus LC passage 2006 15,000-20,000 individuals A4i
Aleutian Tern Onychoprion aleuticus VU breeding 2011-2014 min 1,000 individuals A4i
A4iii Species group - waterbirds n/a unknown 2004 min 20,000 individuals 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


IUCN Habitat Habitat detail Extent (% of site)
Wetlands (inland) -
For further information about the IUCN habitat classification, please click here.

Recommended citation
BirdLife International (2023) Important Bird Area factsheet: Nerpich'ye Lake and Kamchatka River delta. Downloaded from on 05/06/2023.