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Location Spain, Castilla y León
Central coordinates 6o 20.00' West  42o 50.00' North
IBA criteria B2, B3, C6
Area 59,000 ha
Altitude 700 - 2,111m
Year of IBA assessment 2000

SEO/BirdLife



Site description A mountainous area in the southern part of the Cordillera Cantábrica, with slopes covered by scrub, grassland, and deciduous woodland. Human activities include cattle-grazing, game hunting and forestry.

Key Biodiversity This is a very important site for breeding alpine and forest species, particularly Perdix perdix hispaniensis and forest raptors.

Populations of IBA trigger species

Species Season Period Population estimate Quality of estimate IBA Criteria IUCN Category
Western Capercaillie Tetrao urogallus resident  1992  25-30 breeding pairs  good  C6  Least Concern 
Grey Partridge Perdix perdix resident  1996  120-150 breeding pairs  good  C6  Least Concern 
Short-toed Snake-eagle Circaetus gallicus breeding  1996  15-20 breeding pairs  medium  B2  Least Concern 
European Honey-buzzard Pernis apivorus breeding  1996  10-20 breeding pairs  medium  B3, C6  Least Concern 
Circus cyaneus resident  1996  10-15 breeding pairs  good  C6  Not Recognised 
Rufous-tailed Rock-thrush Monticola saxatilis breeding  1996  50-60 breeding pairs  medium  B2  Least Concern 

IBA Monitoring

2008 high not assessed negligible
  unset
Medium - based upon reliable but incomplete / partially representative data

Agricultural expansion and intensification livestock farming and ranching (includes forest grazing) - nomadic grazing happening now some of area/population (10-49%) moderate to rapid deterioration high
Energy production and mining mining and quarrying happening now some of area/population (10-49%) very rapid to severe deterioration high
Energy production and mining renewable energy likely in short term (within 4 years) majority/most of area/population (50-90%) very rapid to severe deterioration high
Human intrusions and disturbance recreational activities happening now small area/few individuals (<10%) very rapid to severe deterioration low

Forest Alluvial and very wet forest  0 0 good (> 90%) good (> 90%) favourable
Forest Broadleaved deciduous woodland  0 0 good (> 90%) good (> 90%) favourable
Forest Broadleaved deciduous woodland  0 0 good (> 90%) good (> 90%) favourable
Grassland Alpine, subalpine and boreal grassland  0 0 good (> 90%) moderate (70-90%) near favourable

Aquila chrysaetos Golden Eagle 8 3 adults only 38 not assessed

Not assessed  No management planning has taken place  Very little or no conservation action taking place  negligible 

Protected areas

Protected area Designation Area (ha) Relationship with IBA Overlap with IBA (ha)  
ALTO SIL - ES0000210 Birds Directive 43,752 protected area overlaps with site 16,349  
OMAÑAS - ES0000364 Birds Directive 24,135 protected area overlaps with site 18,133  
OMAÑAS - ES4130149 Habitats Directive 20,042 protected area overlaps with site 17,853  
SIERRA DE LOS ANCARES - ES4130010 Birds Directive 55,582 protected area is adjacent to site 0  

Habitats

IUCN habitat Habitat detail Extent (% of site)
Forest Alluvial and very wet forest; Broadleaved deciduous woodland; Broadleaved evergreen woodland; Mixed woodland; Treeline ecotone  26%
Shrubland Heathland; Sclerophyllous scrub, garrigue and maquis; Scrub  26%
Grassland Alpine, subalpine and boreal grassland; Dry siliceous grassland; Humid grasslands  -
Wetlands (inland) Raised bogs; Rivers and streams  -
Rocky areas Inland cliffs; Scree & boulders  -
Artificial - terrestrial Arable land; Forestry plantations  -

Land use

Land-use Extent (% of site)
agriculture -
forestry 26%
hunting -
urban/industrial/transport -

Protection status National None International None

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Recommended citation  BirdLife International (2014) Important Bird Areas factsheet: Gistreo and Coto mountain ranges. Downloaded from http://www.birdlife.org on 21/12/2014

To provide new information to update this factsheet or to correct any errors, please email BirdLife