PL046
Bialowieza Forest This is an IBA in Danger! 


IBA Justification

The site was identified as internationally important for bird conservation in 2010 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 List Season (year/s of estimate) Size IBA criteria
Hazel Grouse Tetrastes bonasia LC breeding (1999–2001) 1,600–1,800 pairs C6
European Nightjar Caprimulgus europaeus LC breeding (1985–1994) 250–280 pairs C6
Corncrake Crex crex LC breeding (1999–2001) 80–120 males C1
Spotted Crake Porzana porzana LC breeding (1999–2001) 10–40 males C6
Eurasian Pygmy-owl Glaucidium passerinum LC breeding (1999–2001) 80–100 pairs C6
Boreal Owl Aegolius funereus LC breeding (1999–2001) 30–50 pairs C6
European Honey-buzzard Pernis apivorus LC breeding (2003–2004) 90–120 pairs C6
Lesser Spotted Eagle Clanga pomarina LC breeding (2003–2004) 30–35 pairs C6
Three-toed Woodpecker Picoides tridactylus LC breeding (1999–2001) 60–80 pairs C6
Middle Spotted Woodpecker Leiopicus medius LC breeding (1985–1994) 1,100–1,300 pairs C6
White-backed Woodpecker Dendrocopos leucotos LC breeding (1999–2005) 60–90 pairs C6
Barred Warbler Curruca nisoria LC breeding (1985–1994) 200–220 pairs C6
Collared Flycatcher Ficedula albicollis LC breeding (1999–2001) 5,000–10,000 pairs C6
Red-breasted Flycatcher Ficedula parva LC breeding (1999–2001) 300–600 pairs C6

IBA Conservation

Ideally the conservation status of the IBA will have been checked regularly since the site was first identified in 2010. The most recent assessment (2016) is shown below.

IBA conservation assessment
Year of assessment State Pressure Response
2016 good very high high
Whole site assessed? State assessed by Accuracy of information
yes habitat good

State (condition of the trigger species' habitats)
Habitat Quantity (% remaining) Quality (% carrying capacity) Result
Forest good (>90%) good (>90%) good

Pressure (threats to the trigger species and/or their habitats)
Threat Timing Scope Severity Result
Biological resource use happe­ning now most of popul­ation/area (50–90%) rapid decline (>30% over 3 gener­ations) very high

Response (conservation actions taken for the trigger species and/or their habitats)
Designation Planning Action Result
Whole area (>90%) covered by appropriate conservation designation A compre­hensive and appropriate management plan exists that aims to maintain or improve the populations of qualifying bird species Substantive conservation measures are being implemented, but these are not compre­hensive and are limited by resources and capacity high

IBA Protection

Year Protected Area Designation (management category) % coverage of IBA
1932 Białowieski Park Narodowy Park Narodowy (II) 17
1960 Przęślin Rezerwat Przyrody (IV) <1
1962 Lipiny w Puszczy Białowieskiej Rezerwat Przyrody (IV) <1
1962 Lipiny Nature Reserve (IV) <1
1969 Rezerwat Krajobrazowy Władysława Szafera Rezerwat Przyrody (IV) 2
1974 Pogorzelce Rezerwat Przyrody (IV) <1
1974 Nieznanowo Rezerwat Przyrody (IV) <1
1976 Bialowieza UNESCO-MAB Biosphere Reserve (UA) 17
1979 Starzyna Rezerwat Przyrody (IV) 1
1979 Głęboki Kąt Rezerwat Przyrody (IV) <1
1979 Sitki Rezerwat Przyrody (IV) <1
1979 Szczekotowo Rezerwat Przyrody (IV) <1
1979 Michnówka Rezerwat Przyrody (IV) <1
1979 Wysokie Bagno Rezerwat Przyrody (IV) <1
1985 Dębowy Grąd Rezerwat Przyrody (IV) <1
1995 Olszanka Myśliszcze Rezerwat Przyrody (IV) <1
1995 Kozłowe Borki Rezerwat Przyrody (IV) <1
1995 Podcerkwa Rezerwat Przyrody (IV) <1
1995 Siemianówka Rezerwat Przyrody (IV) <1
1995 Przewłoka Rezerwat Przyrody (IV) <1
1995 Dolina Waliczówki Rezerwat Przyrody (IV) <1
1995 Gnilec Rezerwat Przyrody (IV) <1
1995 Podolany Rezerwat Przyrody (IV) <1
2003 Lasy Naturalne Puszczy Białowieskiej Rezerwat Przyrody (IV) 14

Habitats

Habitat % of IBA Habitat detail
Forest 85 Broadleaved deciduous woodland; Native coniferous woodland; Mixed woodland; Alluvial and very wet forest
Artificial/Terrestrial 5 Highly improved re-seeded landscapes; Arable land; Urban parks and gardens; Other urban and industrial areas; Ruderal land
Grassland 5 Humid grasslands; Mesophile grasslands
Wetlands (inland) 5 Standing freshwater; Rivers and streams; Raised bogs; Water fringe vegetation

Land use

Land use % of IBA
forestry 70
nature conservation and research 20
agriculture 5
urban/industrial/transport 5
hunting -


Recommended citation
BirdLife International (2024) Important Bird Area factsheet: Bialowieza Forest (Poland). Downloaded from https://datazone.birdlife.org/site/factsheet/bialowieza-forest-iba-poland on 22/12/2024.