IBA Criteria

Year of most recent IBA criteria assessment: 2005

Populations of IBA trigger species
Species Current IUCN Red List Category Season Year(s) of estimate Population estimate IBA Criteria Triggered
Corncrake Crex crex LC breeding 2003 520-1,020 breeding pairs A1
Spotted Crake Porzana porzana LC breeding 2003 1,500-4,000 breeding pairs B3
Little Crake Zapornia parva LC breeding 2003 300-500 breeding pairs B3
Aquatic Warbler Acrocephalus paludicola VU breeding 2003 1-50 breeding pairs A1
Savi's Warbler Locustella luscinioides LC breeding 2003 650-1,500 breeding pairs B3

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)
Sin'sch Nature Sanctuary or Partial Reserve (Local) 11,837 protected area is adjacent to site 0
Prostyr Ramsar Site, Wetland of International Importance 9,500 protected area contained by site 9,500
Prostyr Nature Sanctuary or Partial Reserve 3,440 protected area contained by site 3,440


IUCN Habitat Habitat detail Extent (% of site)
Forest Alluvial and very wet forest -
Shrubland Scrub -
Grassland Humid grasslands -
Wetlands (inland) Fens, transition mires and springs, Rivers and streams, Standing freshwater, Water fringe vegetation -
For further information about the habitat classification please click here.

Land use

Land-use Extent (% of site)
agriculture -
fisheries/aquaculture -
not utilised -
hunting -
For further information about the land use classification please click here.

Recommended citation
BirdLife International (2020) Important Bird Areas factsheet: Prostyr. Downloaded from on 03/12/2020.