Byala Reka

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
European Nightjar Caprimulgus europaeus LC breeding 1998 136-326 breeding pairs C6
Black Stork Ciconia nigra LC breeding 1998 12 breeding pairs C6
Eurasian Scops-owl Otus scops LC breeding 1998 89-127 breeding pairs B2
European Honey-buzzard Pernis apivorus LC breeding 1998 8 breeding pairs C6
Egyptian Vulture Neophron percnopterus EN breeding 2003 4 breeding pairs C6
Cinereous Vulture Aegypius monachus NT winter 1996 15 individuals A1, C1
Eastern Imperial Eagle Aquila heliaca VU resident 1998 1-2 breeding pairs A1, C1, C6
Booted Eagle Hieraaetus pennatus LC breeding 1998 4 breeding pairs B2, C6
Eurasian Wryneck Jynx torquilla LC breeding 1996 68-84 breeding pairs B2
Masked Shrike Lanius nubicus LC breeding 1998 8 breeding pairs A3, B2
Olive-tree Warbler Hippolais olivetorum LC breeding 1998 34 breeding pairs A3, C6
Subalpine Warbler Curruca cantillans LC breeding 1998 158-292 breeding pairs A3
Sardinian Warbler Curruca melanocephala LC resident 1998 37-177 breeding pairs A3
Black-headed Bunting Emberiza melanocephala LC breeding 1998 201-231 breeding pairs A3

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

Protected Area Designation Area (ha) Relationship with IBA Overlap with IBA (ha)
Rodopi - Iztochni Site of Community Importance (Habitats Directive) 217,447 protected area contains site 44,624
Nahodiste na gradinski chay v mestnost kray Luda reka Prirodna Zabelezhitelnost 80 protected area contained by site 0
Nahodishte na rodopski lopen Zashtitena Mestnost 8 protected area contained by site 0
Meandri na Biala reka Zashtitena Mestnost 1,532 protected area contained by site 0
Hambar dere Zashtitena Mestnost 101 protected area contained by site 0
Byala reka Special Protection Area (Birds Directive) 44,627 is identical to site 44,624


IUCN Habitat Habitat detail Extent (% of site)
Forest Broadleaved deciduous woodland -
Shrubland Sclerophyllous scrub, garrigue and maquis -
Grassland Steppes and dry calcareous grassland -
Wetlands (inland) Rivers and streams -
Artificial/Terrestrial Perennial crops, orchards and groves -
For further information about the habitat classification please click here.

Land use

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

Recommended citation
BirdLife International (2022) Important Bird Areas factsheet: Byala Reka. Downloaded from on 06/07/2022.