Birzai forest

IBA Criteria

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
Aquila pomarina NR breeding 1999 12 breeding pairs B2
Picus canus NR breeding 2002 20-30 breeding pairs C6
Picoides tridactylus NR 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

IBA Protection

Protection status:

Protected Area Designation Area (ha) Relationship with IBA Overlap with IBA (ha)
Nemunelio upes slenis Special Protection Area (Birds Directive) 4,480 protected area is adjacent to site 0
Latveliai Botanical Reserve Botanical Reserve 100 protected area contained by site 100
Birzu giria Special Protection Area (Birds Directive) 3,356 protected area contains site 16,475
Birzu giria Special Protection Area (Birds Directive) 3,356 protected area overlaps with site 16,463
Birzu giria Botanical/Zoological Reserve 144 protected area contained by site 144


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

Land-use Extent (% of site)
forestry -
tourism/recreation -
nature conservation and research -
For further information about the land use classification please click here.

Recommended citation
BirdLife International (2020) Important Bird Areas factsheet: Birzai forest. Downloaded from on 02/04/2020.