Valley complex of Moksha and Oka rivers

IBA Criteria

Year of most recent IBA criteria assessment: 2000

Populations of IBA trigger species
Species Current IUCN Red List Category Season Year(s) of estimate Population estimate IBA Criteria Triggered
Greylag Goose Anser anser LC passage 1996 600-800 individuals B1i
Greater White-fronted Goose Anser albifrons LC passage 1996 12-15,000 individuals A4i, B1i
Corncrake Crex crex LC breeding 1996 150-200 breeding pairs A1
A4iii Species group - waterbirds n/a passage 1996 20,000 individuals A4iii

Note: This table presents the IBA criteria triggered and the species that triggered then at the time of assessment, the current IUCN Red List category may vary from that which was in place at that time.

For more information about the IBA assessment process and criteria please click here

IBA Protection

Protection status:

Protected Area Designation Area (ha) Relationship with IBA Overlap with IBA (ha)
Oka & Pra River Floodplains Ramsar Site, Wetland of International Importance 161,542 protected area contains site 22,400
Mokshinskiy Zakaznik 15,000 protected area overlaps with site 0
Dolinnyi kompleks levoberezh'ya Oki Zakaznik 1,602 protected area overlaps with site 0

Local conservation groups

The local conservation groups below are working to support conservation at this IBA.

Name Year formed
Young ecologists center in Kasimov 2005
For more information on BirdLife's work with Local conservation groups please click here.


IUCN Habitat Habitat detail Extent (% of site)
Forest Mixed woodland -
Shrubland Scrub -
Grassland Humid grasslands -
Wetlands (inland) Standing freshwater, Rivers and streams -
For further information about the habitat classification please click here.

Land use

Land-use Extent (% of site)
agriculture -
forestry -
tourism/recreation -
For further information about the land use classification please click here.

Recommended citation
BirdLife International (2020) Important Bird Areas factsheet: Valley complex of Moksha and Oka rivers. Downloaded from on 18/09/2020.