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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') at the site:

Species	Red List1	Season	Year(s)	Size	IBA criteria
Whooper Swan Cygnus cygnus	LC	passage	1997	present	A4i
Swan Goose Anser cygnoid	EN	breeding	2004	present	A1
Bean Goose Anser fabalis	LC	passage	1997	present	A4i
Greater White-fronted Goose Anser albifrons	LC	passage	1997	present	A4i
Lesser White-fronted Goose Anser erythropus	VU	passage	1997	present	A1
Siberian Scoter Melanitta stejnegeri	LC	non-breeding	1988-2003	1,000,000-2,000,000 individuals	A4i
Black Scoter Melanitta americana	NT	non-breeding	2004	present	A1, A4i
Red-breasted Merganser Mergus serrator	LC	passage	1997	present	A4i
Harlequin Duck Histrionicus histrionicus	LC	non-breeding	1988-2003	15,000-20,000 individuals	A4i
Tufted Duck Aythya fuligula	LC	passage	1997	present	A4i
Greater Scaup Aythya marila	LC	passage	1988-2003	70,000-300,000 individuals	A4i
Baikal Teal Sibirionetta formosa	LC	passage	1997	present	A1
Falcated Duck Mareca falcata	LC	passage	1997	present	A4i
Red-throated Loon Gavia stellata	LC	passage	1997	present	A4i
Arctic Loon Gavia arctica	LC	passage	1997	present	A4i
Charadrius mongolus	NR	passage	1997	present	A4i
Little Curlew Numenius minutus	LC	passage	1997	present	A4i
Black-tailed Godwit Limosa limosa	NT	passage	1997	present	A4i
Red Knot Calidris canutus	NT	passage	1997	present	A4i
Spoon-billed Sandpiper Calidris pygmaea	CR	passage	1997	present	A1
Spotted Redshank Tringa erythropus	LC	passage	1997	present	A4i
Spotted Greenshank Tringa guttifer	EN	breeding	1997	present	A1
Black-legged Kittiwake Rissa tridactyla	VU	non-breeding	1997	present	A4i
Mew Gull Larus canus	LC	passage	1997	present	A4i
Aleutian Tern Onychoprion aleuticus	VU	breeding	2012	min 15,600 individuals	A4i
Little Tern Sternula albifrons	LC	passage	1997	present	A4i
Long-billed Murrelet Brachyramphus perdix	NT	breeding	1998-2010	200-1,000 individuals	A1, A4ii

1. The current IUCN Red List category. The category at the time of the IBA criteria assessment (2016) may differ.

Year	Protected Area	Designation	% overlap with IBA
1983	Ostrov Lyarvo	Nature Monument	<1
1986	Ostrov Chaichiy	Nature Monument	<1
1987	Ostrova Vrangelya	Nature Monument	<1
1989	Oleniy	Zakaznik	6
1997	Lunskiy zaliv	Nature Monument	1

Habitat1	Habitat detail	% of IBA
Forest	Forest tundra (boreal/arctic)	major (>10)
Grassland	Tundra	major (>10)
Marine Coastal/Supratidal		major (>10)
Marine Intertidal		major (>10)
Artificial/Terrestrial	Urban areas	minor (<10)

1. IUCN Habitat classification.

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Recommended citation
BirdLife International (2024) Important Bird Area factsheet: North-east Sakhalin lagoons (Russia (Asian)). Downloaded from https://datazone.birdlife.org/site/factsheet/north-east-sakhalin-lagoons-iba-russia-(asian) on 22/11/2024.