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Mesta Valley
| Location | Bulgaria |
| Central coordinates | 23o 48.65' East 41o 32.68' North |
| IBA criteria | A3, B2, C6 |
| Area | 20,421 ha |
| Altitude | 405 - 1,241m |
| Year of IBA assessment | 2005 |
Bulgarian Society for the Protection of Birds
Populations of IBA trigger species
| Species | Season | Period | Population estimate | Quality of estimate | IBA Criteria | IUCN Category |
|---|---|---|---|---|---|---|
| Rock Partridge Alectoris graeca | resident | 1996 | 15-25 breeding pairs | good | A3 | Near Threatened |
| White Stork Ciconia ciconia | breeding | 2004 | 57 breeding pairs | good | B2, C6 | Least Concern |
| Short-toed Snake-eagle Circaetus gallicus | breeding | 1996 | 4-5 breeding pairs | good | B2, C6 | Least Concern |
| Masked Shrike Lanius nubicus | breeding | 1996 | 2-10 breeding pairs | good | A3 | Least Concern |
| Calandra Lark Melanocorypha calandra | resident | 2005 | 86 breeding pairs | medium | C6 | Least Concern |
| Olive-tree Warbler Hippolais olivetorum | breeding | 1996 | 10 breeding pairs | medium | A3 | Least Concern |
| Barred Warbler Sylvia nisoria | breeding | 1996 | 50-100 breeding pairs | medium | C6 | Least Concern |
| Sardinian Warbler Sylvia melanocephala | resident | 1996 | 2 breeding pairs | good | A3 | Least Concern |
| Subalpine Warbler Sylvia cantillans | breeding | 1996 | 10 breeding pairs | medium | A3 | Least Concern |
| Western Rock-nuthatch Sitta neumayer | resident | 1996 | 6-12 breeding pairs | good | A3 | Least Concern |
| Ortolan Bunting Emberiza hortulana | breeding | 2005 | 967 breeding pairs | medium | C6 | Least Concern |
Protected areas
| Protected area | Designation | Area (ha) | Relationship with IBA | Overlap with IBA (ha) | |
|---|---|---|---|---|---|
| Dolna Mesta - BG0000220 | Habitats Directive | 9,515 | protected area overlaps with site | 3,058 | |
| Mesta - BG0002076 | Birds Directive | 20,421 | is identical to site | 20,421 | |
| Reka Mesta - BG0001021 | Habitats Directive | 19,402 | protected area overlaps with site | 6,860 | |
| Rodopi - Zapadni - BG0001030 | Habitats Directive | 271,909 | protected area is adjacent to site | 0 | |
| Sreden Pirin - Alibotush - BG0001028 | Habitats Directive | 68,408 | protected area is adjacent to site | 0 |
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Recommended citation BirdLife International (2013) Important Bird Areas factsheet: Mesta Valley. Downloaded from http://www.birdlife.org on 25/05/2013
To provide new information to update this factsheet or to correct any errors, please email BirdLife
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