Straldzha Complex

IBA Justification

The site was identified as important in 2005 because it was regularly supporting significant populations of the species listed below, meeting ('triggering') IBA criteria.

Populations meeting IBA criteria ('trigger species'):
Species Current IUCN Red List Category Season Year(s) Population estimate at site IBA criteria met
Red-breasted Goose Branta ruficollis VU winter 1997 46-210 individuals A1, C1
Greater White-fronted Goose Anser albifrons LC winter 1997 6,178-8,500 individuals B1i, C3
Mallard Anas platyrhynchos LC winter 1997 22,755 individuals B1i, C3
Corncrake Crex crex LC breeding 2005 21 breeding pairs A1, C1
Eurasian Bittern Botaurus stellaris LC resident 1999 5 breeding pairs C6
Eurasian Thick-knee Burhinus oedicnemus LC breeding 1998 7 breeding pairs C6
Montagu's Harrier Circus pygargus LC resident 1998 5-6 breeding pairs C6

The current IUCN Red List category may differ from that which was valid at the time of IBA criteria assessment (2005).

IBA Protection

Protected area (PA) PA designation PA area (ha) Relationship of PA with IBA Overlap of PA with IBA (ha)
Straldzha Site of Community Importance (Habitats Directive) 882 protected area overlaps with site 684
Reka Mochuritsa Site of Community Importance (Habitats Directive) 8,703 protected area is adjacent to site 0
Kompleks Straldzha Special Protection Area (Birds Directive) 2,873 is identical to site 2,872


Habitat (IUCN level 1) Habitat detail Extent (% of site)
Grassland Humid grasslands -
Wetlands (inland) Standing freshwater, Water fringe vegetation -
Artificial/Terrestrial Perennial crops, orchards and groves -
For more information about the IUCN Habitat classification, please click here.

Land use

Land-use Extent (% of site)
fisheries/aquaculture -
agriculture -
hunting -

Recommended citation
BirdLife International (2024) Important Bird Area factsheet: Straldzha Complex. Downloaded from on 28/02/2024.