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Location Poland, podlaskie
Central coordinates 23o 25.00' East  52o 55.00' North
IBA criteria C1, C2, C3, C4, C6
Area 15,840 ha
Altitude 0 - 100m
Year of IBA assessment 2010

Ogólnopolskie Towarzystwo Ochrony Ptaków

Site description The site comprises a stretch of the upper Narew valley between the dam at Bondary village and the town of Sura¿, as well as the Pietkowo pond complex near Sura¿. The Narew river has a natural character, and the valley is up to 3 km wide. Flood-plain plant communities depend on annual river flooding: beds of sedge and reed-grass Glyceria dominate, while small patches of reed Phragmites, scrub and willow Salix woodland occur along the river. Forest covers only 5% of the valley; open areas are mainly pastures and hay meadows. The Pietkowo pond complex adjoins extensive mixed and broadleaved forests. The ponds are densely overgrown with rushes and reeds Phragmites, with smaller amounts of sedge, reed-mace Typha and bulrush Scirpus.

Key Biodiversity A total of 145 species have been recorded breeding (49 at Pietkowo ponds). Species of global conservation concern that do not meet IBA criteria: Aythya nyroca (one breeding pair), Haliaeetus albicilla (non-breeding visitor).

Populations of IBA trigger species

Species Season Period Population estimate Quality of estimate IBA Criteria IUCN Category
Black Grouse Lyrurus tetrix breeding  2000-2007  7-22 males only  unknown  C6  Least Concern 
Greater White-fronted Goose Anser albifrons passage  2004-2009  15,000 individuals  poor  C3  Least Concern 
Whooper Swan Cygnus cygnus breeding  2000-2007  2-3 breeding pairs  unknown  C6  Least Concern 
Western Marsh-harrier Circus aeruginosus breeding  2000-2007  66-91 breeding pairs  unknown  C6  Least Concern 
Montagu's Harrier Circus pygargus breeding  2000-2007  36-45 breeding pairs  unknown  C6  Least Concern 
Corncrake Crex crex breeding  2000-2007  300-887 males only  unknown  C1, C6  Least Concern 
Little Crake Zapornia parva breeding  2000-2007  42 males only  unknown  C6  Least Concern 
Great Snipe Gallinago media breeding  2000-2007  65-94 males only  unknown  C1, C2, C6  Near Threatened 
Aquatic Warbler Acrocephalus paludicola breeding  2000-2007  10-26 males only  unknown  C1  Vulnerable 
A4iii Species group - waterbirds passage  2007-2009  25,000 individuals  poor  C4   


IUCN habitat Habitat detail Extent (% of site)
Forest Alluvial and very wet forest; Broadleaved deciduous woodland; Mixed woodland  16%
Grassland Humid grasslands; Mesophile grasslands  63%
Wetlands (inland) Rivers and streams; Standing freshwater; Water fringe vegetation  2%
Artificial - terrestrial Arable land; Ruderal land  18%
Other   1%

Land use

Land-use Extent (% of site)
agriculture 70%
fisheries/aquaculture 10%
forestry 5%
unknown 15%
hunting -

Protection status National None International None

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Recommended citation  BirdLife International (2016) Important Bird and Biodiversity Area factsheet: Upper Narew River Valley. Downloaded from on 28/10/2016

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