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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
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.

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Recommended citation
BirdLife International (2023) Important Bird Area factsheet: Nerpich'ye Lake and Kamchatka River delta. Downloaded from http://datazone.birdlife.org/site/factsheet/16478 on 05/06/2023.