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Location Russia (European), Kostroma region
Central coordinates 44o 16.33' East  58o 48.85' North
IBA criteria A1, A4i, A4iii, B1i
Area 6,448 ha
Year of IBA assessment 2008

Populations of IBA trigger species

Species Season Period Population estimate Quality of estimate IBA Criteria IUCN Category
Lesser White-fronted Goose Anser erythropus passage  1999-2002  15-30 individuals  good  A1  Vulnerable 
Greater White-fronted Goose Anser albifrons passage  1999-2002  5,000-14,000 individuals  good  B1i  Least Concern 
Greater Scaup Aythya marila passage  1999-2002  3,000-10,000 individuals  good  A4i, B1i  Least Concern 
Corncrake Crex crex breeding  1999-2002  50-80 individuals  good  A1  Least Concern 
A4iii Species group - waterbirds passage  1999-2002  25,000 individuals  good  A4iii   


IUCN habitat Habitat detail Extent (% of site)
Artificial - terrestrial Arable land; Highly improved re-seeded landscapes; Other urban and industrial areas; Ruderal land  50%
Grassland Humid grasslands  20%
Wetlands (inland) Mud flats and sand flats; Rivers and streams  15%
Unknown   4%
Forest   11%

Land use

Land-use Extent (% of site)
rangeland/pastureland 30%
agriculture 40%
urban/industrial/transport 6%
forestry -
tourism/recreation -
hunting -

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

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Recommended citation  BirdLife International (2016) Important Bird and Biodiversity Area factsheet: Floodplains of the Unzha river near Kologriv. Downloaded from on 24/10/2016

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