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Year of most recent IBA criteria assessment: 2013

Populations of IBA trigger species

Species	Current IUCN Red List Category	Season	Year(s) of estimate	Population estimate	IBA Criteria Triggered
Black-billed Capercaillie Tetrao urogalloides	LC	breeding	2010-2012	500-1,000 breeding pairs	A3
Tundra Swan Cygnus columbianus	LC	passage	2010-2011	11,000-22,000 individuals	A4i
Bean Goose Anser fabalis	LC	passage	2010-2012	9,000-19,000 individuals	A4i
Common Goldeneye Bucephala clangula	LC	breeding	2010-2012	500-1,500 breeding pairs	A3
Smew Mergellus albellus	LC	breeding	2010-2012	300-1,000 breeding pairs	A3
Falcated Duck Mareca falcata	NT	breeding	2010-2012	300-1,500 breeding pairs	A4i
Eurasian Wigeon Mareca penelope	LC	breeding	2010-2012	300-1,500 breeding pairs	A3
Siberian Crane Leucogeranus leucogeranus	CR	passage	2010-2012	min 2 individuals	A1
Common Crane Grus grus	LC	breeding	2010-2012	5-100 breeding pairs	A3
A4iii Species group - waterbirds	n/a	passage	1990-2012	100,000-300,000 individuals	A4iii

Note: This table presents the IBA criteria triggered and the species that triggered then at the time of assessment, the current IUCN Red List category may vary from that which was in place at that time.

For more information about the IBA assessment process and criteria please click here

IUCN Habitat	Habitat detail	Extent (% of site)
Forest		-
Shrubland		-
Wetlands (inland)		-

For further information about the habitat classification please click here.

Land-use	Extent (% of site)
forestry	-
hunting	-

For further information about the land use classification please click here.

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Recommended citation
BirdLife International (2023) Important Bird Areas factsheet: Lowland swamps in the valley of Tungur and Nenyuga rivers. Downloaded from http://www.birdlife.org on 23/03/2023.