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close| Location | Spain, Castilla y León,País Vasco |
| Central coordinates | 3o 11.00' West 42o 50.00' North |
| IBA criteria | B1iii, B2, C2, C6 |
| Area | 20,000 ha |
| Altitude | 480 - 1,333m |
| Year of IBA assessment | 2000 |
Ornithological information This is an important area for cliff-nesting raptors.
Site description A mountainous area with abundant cliffs. There are extensive areas of Pinus forest in the valleys together with grassland and arable crops. The main human activities are forestry and hunting.
Populations of IBA trigger species
| Species | Season | Period | Population estimate | Quality of estimate | IBA Criteria | IUCN Category |
|---|---|---|---|---|---|---|
| Peregrine Falcon Falco peregrinus | resident | 1996 | 4 breeding pairs | good | C6 | Least Concern |
| Egyptian Vulture Neophron percnopterus | breeding | 1996 | 7 breeding pairs | good | C6 | Endangered |
| Griffon Vulture Gyps fulvus | resident | 1996 | 95-100 breeding pairs | good | B1iii, B2, C2, C6 | Least Concern |
| Short-toed Snake-eagle Circaetus gallicus | breeding | 1995 | 5-6 breeding pairs | good | C6 | Least Concern |
| Red-billed Chough Pyrrhocorax pyrrhocorax | resident | 1995 | 80-100 breeding pairs | good | C6 | Least Concern |
Protected areas
| Protected area | Designation | Area (ha) | Relationship with IBA | Overlap with IBA (ha) | |
|---|---|---|---|---|---|
| MONTES OBARENES - ES4120030 | Birds Directive | 43,061 | protected area overlaps with site | 3,915 | |
| Omecillo-Tumecillo Ibaia / Ro Omecillo-Tumecillo - ES2110005 | Habitats Directive | 128 | protected area overlaps with site | 61 | |
| Sobrón - ES2110002 | Habitats Directive | 1,760 | protected area overlaps with site | 216 | |
| Valderejo | Nature Park | 3,500 | protected area contained by site | 3,496 |
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| Valderejo - ES2110001 | Habitats Directive | 3,418 | protected area contained by site | 3,418 | |
| Valderejo-Arcena Mendilerroa / Valderejo-Sierra de Árcena - ES0000245 | Birds Directive | 6,672 | protected area overlaps with site | 5,086 |
Habitats
| IUCN habitat | Habitat detail | Extent (% of site) |
|---|---|---|
| Forest | Alluvial and very wet forest; Broadleaved deciduous woodland; Broadleaved evergreen woodland; Mixed woodland; Native coniferous woodland | 47% |
| Shrubland | Heathland; Sclerophyllous scrub, garrigue and maquis; Scrub | 48% |
| Grassland | Humid grasslands; Steppes and dry calcareous grassland | 49% |
| Wetlands (inland) | Raised bogs; Rivers and streams; Standing freshwater | 2% |
| Caves | Caves | - |
| Artificial landscapes (terrestrial) | Arable land; Highly improved re-seeded landscapes | 16% |
| Rocky areas | Inland cliffs | - |
Land use
| Land-use | Extent (% of site) |
|---|---|
| agriculture | 65% |
| forestry | 50% |
| hunting | 100% |
| nature conservation and research | 22% |
| tourism/recreation | 10% |
Management considerations No serious threats but some disturbance is caused by forestry activities, hunting and visitors. A management plan exists for the Natural Park.
Protection status National Partial International None3,496 ha of IBA covered by Natural Park (Valderejo, 3,496 ha).
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Recommended citation BirdLife International (2013) Important Bird Areas factsheet: Valdegovía-Arcena mountain range. Downloaded from http://www.birdlife.org on 21/05/2013
To provide new information to update this factsheet or to correct any errors, please email BirdLife
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