Arda Bridge

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
Black Stork Ciconia nigra LC breeding 1996 12 breeding pairs B2, C6
Eurasian Thick-knee Burhinus oedicnemus LC breeding 1996 3-9 breeding pairs C6
Eurasian Scops-owl Otus scops LC breeding 1996 46-110 breeding pairs B2
Egyptian Vulture Neophron percnopterus EN breeding 1996 5 breeding pairs B2, C6
Cinereous Vulture Aegypius monachus NT winter 1996 12-15 individuals A1, C1
Eastern Imperial Eagle Aquila heliaca VU resident 1996 1-2 breeding pairs A1, C1, C6
Masked Shrike Lanius nubicus LC breeding 1996 2 breeding pairs A3
Olive-tree Warbler Hippolais olivetorum LC breeding 1996 23-25 breeding pairs A3
Subalpine Warbler Curruca cantillans LC breeding 1996 90-190 breeding pairs A3
Sardinian Warbler Curruca melanocephala LC resident 1996 17-140 breeding pairs A3
Western Rock Nuthatch Sitta neumayer LC resident 1996 3-13 breeding pairs A3
Fieldfare Turdus pilaris LC winter 1996 1,000-2,000 individuals B3
Blue Rock-thrush Monticola solitarius LC resident 1996 2-10 breeding pairs B2
Black-eared Wheatear Oenanthe hispanica LC breeding 1996 16-160 breeding pairs A3
Black-headed Bunting Emberiza melanocephala LC breeding 1996 313 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 15,022
Oreshari Zashtitena Mestnost 55 protected area contained by site 0
Most Arda Special Protection Area (Birds Directive) 15,022 is identical to site 15,022
Momina skala Zashtitena Mestnost 782 protected area contained by site 0
Kovan kaya Prirodna Zabelezhitelnost 2 protected area contained by site 0
Chernata skala Zashtitena Mestnost 894 protected area overlaps with site 0
6 peshteri v mestnost Mosta Prirodna Zabelezhitelnost 1 protected area contained by site 0

Recommended citation
BirdLife International (2022) Important Bird Areas factsheet: Arda Bridge. Downloaded from on 09/08/2022.