The site was identified as internationally important for bird conservation in 2000 because it was regularly supporting significant populations of the species listed below, meeting ('triggering') IBA criteria.
Species |
Red List |
Season (year/s of estimate) |
Size |
IBA criteria |
Rock Partridge Alectoris graeca |
NT |
breeding (1991) |
300–400 pairs |
B2, C6 |
Hazel Grouse Tetrastes bonasia |
LC |
breeding (1991) |
50–75 pairs |
C6 |
Rock Ptarmigan Lagopus muta |
LC |
breeding (1991) |
200–300 pairs |
C6 |
Black Grouse Lyrurus tetrix |
LC |
breeding (1991) |
250–300 pairs |
B2, C6 |
European Nightjar Caprimulgus europaeus |
LC |
breeding (1991) |
100–200 pairs |
B2, C6 |
Eurasian Pygmy-owl Glaucidium passerinum |
LC |
breeding (1991) |
5–10 pairs |
C6 |
Boreal Owl Aegolius funereus |
LC |
breeding (1991) |
10 pairs |
C6 |
European Honey-buzzard Pernis apivorus |
LC |
breeding (1991) |
30 pairs |
C6 |
Short-toed Snake-eagle Circaetus gallicus |
LC |
breeding (1991) |
10–11 pairs |
C6 |
Golden Eagle Aquila chrysaetos |
LC |
breeding (1991) |
33 pairs |
B2, C6 |
Black Kite Milvus migrans |
LC |
breeding (1991) |
30–40 pairs |
C6 |
Black Woodpecker Dryocopus martius |
LC |
breeding (1991) |
100–200 pairs |
C6 |
Peregrine Falcon Falco peregrinus |
LC |
breeding (1991) |
6–7 pairs |
C6 |
Red-backed Shrike Lanius collurio |
LC |
breeding (1991) |
500–1,000 pairs |
C6 |
Red-billed Chough Pyrrhocorax pyrrhocorax |
LC |
breeding (1991) |
500–600 pairs |
B2, C2, C6 |
Woodlark Lullula arborea |
LC |
breeding (1991) |
500–1,000 pairs |
B2, C6 |
Ortolan Bunting Emberiza hortulana |
LC |
breeding (1991) |
100–500 pairs |
B2, C6 |
Habitat |
% of IBA |
Habitat detail |
Grassland |
21 |
Steppes and dry calcareous grassland; Dry siliceous grassland; Alpine, subalpine and boreal grassland; Humid grasslands; Mesophile grasslands |
Shrubland |
12 |
Heathland |
Forest |
10 |
Broadleaved deciduous woodland; Native coniferous woodland; Mixed woodland; Alluvial and very wet forest |
Artificial/Terrestrial |
- |
Perennial crops, orchards and groves |
Caves and Subterranean Habitats (non-aquatic) |
- |
Caves |
Rocky areas (eg. inland cliffs, mountain peaks) |
- |
Scree & boulders; Inland cliffs |
Wetlands (inland) |
- |
Standing freshwater; Rivers and streams; Raised bogs; Water fringe vegetation; Fens, transition mires and springs |