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PL050
Wizna Swamps
Location Poland, podlaskie
Central coordinates 22o 25.00' East  53o 10.00' North
IBA criteria C1, C6
Area 15,700 ha
Altitude
Year of IBA assessment 2010

Ogólnopolskie Towarzystwo Ochrony Ptaków



Populations of IBA trigger species

Species Season Period Population estimate Quality of estimate IBA Criteria IUCN Category
Montagu's Harrier Circus pygargus breeding  2008  13-14 breeding pairs  good  C6  Least Concern 
Corncrake Crex crex breeding  2008  352-365 males only  good  C1, C6  Least Concern 
Great Snipe Gallinago media breeding  2008  14 males only  good  C6  Near Threatened 
Eurasian Curlew Numenius arquata breeding  2008  16-17 breeding pairs  good  C1  Near Threatened 
Aquatic Warbler Acrocephalus paludicola breeding  2008  73-74 males only  good  C1, C6  Vulnerable 
Barred Warbler Sylvia nisoria breeding  2008  263-300 breeding pairs  good  C6  Least Concern 

Protected areas

Protected area Designation Area (ha) Relationship with IBA Overlap with IBA (ha)  
Bagno Wizna - PLB200005 Birds Directive 14,471 protected area overlaps with site 13,731  
Biebrza National Park Wetlands of International Importance (Ramsar) 59,233 protected area overlaps with site 200  
Biebrzanski PN National Park 59,223 protected area overlaps with site 200  
Dolina Biebrzy - PLH200008 Habitats Directive 121,206 protected area overlaps with site 3,161  
Ostoja Biebrzanska - PLB200006 Birds Directive 148,509 protected area overlaps with site 1,815  
Przelomowa Dolina Narwi - PLC200003 Birds Directive 0 protected area overlaps with site 846  

Habitats

IUCN habitat Habitat detail Extent (% of site)
Forest   1%
Grassland   90%
Artificial landscapes (terrestrial)   1%
Wetlands (inland)   8%

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Recommended citation  BirdLife International (2013) Important Bird Areas factsheet: Wizna Swamps. Downloaded from http://www.birdlife.org on 22/05/2013

To provide new information to update this factsheet or to correct any errors, please email BirdLife