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Location Spain, Aragón
Central coordinates 0o 40.00' West  42o 25.00' North
IBA criteria A4ii, B1iii, B2, B3, C2, C6
Area 45,000 ha
Altitude 800 - 1,595m
Year of IBA assessment 2000

SEO/BirdLife



Site description A mountainous area on the southern edge of the Pyrenees. The vegetation includes maquis, Pinus plantations, and extensive scrub and grassland areas. The main human activities are forestry, livestock-farming and recreation.

Populations of IBA trigger species

Species Season Period Population estimate Quality of estimate IBA Criteria IUCN Category
Red Kite Milvus milvus resident  1995  20-30 breeding pairs  medium  B3, C6  Near Threatened 
Bearded Vulture Gypaetus barbatus resident  1996  3 breeding pairs  good  B2, C6  Near Threatened 
Griffon Vulture Gyps fulvus resident  1995  250 breeding pairs  medium  A4ii, B1iii, B2, C2, C6  Least Concern 
Red-billed Chough Pyrrhocorax pyrrhocorax resident  1996  100 breeding pairs  medium  B2  Least Concern 

Protected areas

Protected area Designation Area (ha) Relationship with IBA Overlap with IBA (ha)  
MONTE PEIRO - ARGUIS - ES2410015 Habitats Directive 1,549 protected area contained by site 1,549  
RÍO ARBA DE BIEL - ES2430066 Habitats Directive 584 protected area is adjacent to site 0  
RÍO ARBA DE LUESIA - ES2430065 Habitats Directive 329 protected area overlaps with site 68  
RÍO ONSELLA - ES2430063 Habitats Directive 443 protected area overlaps with site 107  
SIERRA Y CAÑONES DE GUARA - ES0000015 Birds Directive 81,350 protected area is adjacent to site 0  
SIERRAS DE SANTO DOMINGO Y CABALLERA - ES2410064 Habitats Directive 30,875 protected area overlaps with site 23,138  
SIERRAS DE SANTO DOMINGO Y CABALLERA Y RÍO ONSELLA - ES0000287 Birds Directive 35,680 protected area overlaps with site 27,089  

Habitats

IUCN habitat Habitat detail Extent (% of site)
Forest Broadleaved deciduous woodland; Broadleaved evergreen woodland; Native coniferous woodland  26%
Shrubland Sclerophyllous scrub, garrigue and maquis  26%
Grassland Steppes and dry calcareous grassland  -
Rocky areas Inland cliffs; Scree & boulders  26%
Artificial - terrestrial Arable land; Forestry plantations; Perennial crops, orchards and groves  -

Land use

Land-use Extent (% of site)
agriculture 26%
forestry -
hunting -
tourism/recreation -

Protection status National None International None

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Recommended citation  BirdLife International (2014) Important Bird Areas factsheet: Santo Domingo-Riglos-Gratal. Downloaded from http://www.birdlife.org on 21/10/2014

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