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Year of most recent IBA criteria assessment: 2004

Populations of IBA trigger species

Species	Current IUCN Red List Category	Season	Year(s) of estimate	Population estimate	IBA Criteria Triggered
Hazel Grouse Bonasa bonasia	LC	breeding	1999	100 breeding pairs	C6
Common Crane Grus grus	LC	breeding	1999	20-30 breeding pairs	B2, C6
Black Stork Ciconia nigra	LC	breeding	1999	10-12 breeding pairs	B2, C6
Eurasian Pygmy-owl Glaucidium passerinum	LC	breeding	2001	15-25 breeding pairs	C6
Ural Owl Strix uralensis	LC	breeding	2001	9-10 breeding pairs	C6
Lesser Spotted Eagle Clanga pomarina	LC	breeding	1999	12 breeding pairs	B2
Grey-faced Woodpecker Picus canus	LC	breeding	2002	20-30 breeding pairs	C6
Three-toed Woodpecker Picoides tridactylus	LC	breeding	2002	30 breeding pairs	C6

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

Protected Area	Designation	Area (ha)	Relationship with IBA	Overlap with IBA (ha)
Nemunėlio upės slėnis	Special Protection Area (Birds Directive)	1,550	protected area is adjacent to site	0
Latveliu botaninis draustinis	Gamtinis draustinis	100	protected area contained by site	0
Latveliai Botanical Reserve	Botanical Reserve	100	protected area contained by site	100
Birzu girios botaninis draustinis	Gamtinis draustinis	143	protected area contained by site	0
Birzu girios biosferos poligonas	Biosferos poligonas	17,684	protected area contains site	0
Birzu giria	Botanical/Zoological Reserve	144	protected area contained by site	144
Biržų giria	Special Protection Area (Birds Directive)	17,683	protected area contains site	16,463
Biržų giria	Site of Community Importance (Habitats Directive)	17,683	protected area contains site	0
Biržų giria	Special Protection Area (Birds Directive)	17,683	protected area contains site	16,475
Birzai Forest Fir Tree Genetic Reserve	Gamtinis draustinis	5	protected area contained by site	0
Birzai Forest Birch Genetic Reserve	Gamtinis draustinis	6	protected area contained by site	0
Birzai Forest Asp Genetic Reserve	Gamtinis draustinis	13	protected area contained by site	0
Birzai Forest Alder Genetic Reserve	Gamtinis draustinis	3	protected area contained by site	0

IUCN Habitat	Habitat detail	Extent (% of site)
Forest	Broadleaved deciduous woodland, Mixed woodland, Alluvial and very wet forest, Native coniferous woodland, Treeline ecotone	-
Artificial/Terrestrial	Arable land, Forestry plantations, Perennial crops, orchards and groves	-

For further information about the habitat classification please click here.

Land-use	Extent (% of site)
forestry	-
tourism/recreation	-
nature conservation and research	-

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

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Recommended citation
BirdLife International (2022) Important Bird Areas factsheet: Birzai forest. Downloaded from http://www.birdlife.org on 26/01/2022.