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Location Russia (European), Kaluga region
Central coordinates 35o 59.50' East  54o 8.12' North
IBA criteria A1, A4i, A4iii, B1i, B2, B3
Area 17,830 ha
Altitude 121 - 145m
Year of IBA assessment 2007

Site description Valley of Zhidra river from village Krichiny to the mouth of the river. Includes meadows, swamps, meandrs, agricultural lands and adjoning forests.

Key Biodiversity 6000-15000 ind of Anser albifons&A.fabalis are gathered here during spring migration, and up to 10000 ducks (Anatidae&Aythinae)

Populations of IBA trigger species

Species Season Period Population estimate Quality of estimate IBA Criteria IUCN Category
Greater Spotted Eagle Clanga clanga breeding  1999  1-3 breeding pairs  good  A1  Vulnerable 
Corncrake Crex crex breeding  1999  300-600 breeding pairs  poor  A1  Least Concern 
Spotted Crake Porzana porzana breeding  1999  100 breeding pairs  poor  B3  Least Concern 
White-winged Tern Chlidonias leucopterus passage  1999  2,000-3,000 individuals  medium  A4i, B1i  Least Concern 
Black Tern Chlidonias niger passage  1999  2,000-3,000 individuals  medium  A4i, B1i  Least Concern 
Sand Martin Riparia riparia breeding  1999  10,000 breeding pairs  medium  B2  Least Concern 
A4iii Species group - waterbirds passage  1999  50,000-99,999 individuals  unknown  A4iii   

Protected areas

Protected area Designation Area (ha) Relationship with IBA Overlap with IBA (ha)  
Ugra National Park 98,600 protected area overlaps with site 12,825  


IUCN habitat Habitat detail Extent (% of site)
Forest Mixed woodland  4%
Grassland Humid grasslands  80%
Artificial - terrestrial Arable land; Other urban and industrial areas  10%

Land use

Land-use Extent (% of site)
agriculture 15%
forestry 63%
urban/industrial/transport 10%

Acknowledgements The identification of IBAs and information collected between 1980 and 2009 provided by the IBA network of the Russian Bird Conservation Union (RBCU).

References Yu.D.Galchenkov, A.A.Voronin

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Recommended citation  BirdLife International (2016) Important Bird and Biodiversity Area factsheet: Valley of Zhizdra river. Downloaded from on 26/10/2016

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