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Location Spain, Aragón
Central coordinates 0o 45.00' West  40o 55.00' North
IBA criteria A4ii, B1iii, B2, C2, C6
Area 38,800 ha
Altitude 400 - 1,237m
Year of IBA assessment 2000

SEO/BirdLife



Site description Limestone cliffs along the River Martín in the northern foothills of the Sistema Ibérico. The vegetation is composed of Mediterranean scrub, maquis, xerophytic grasslands and a few Pinus woodlands.

Populations of IBA trigger species

Species Season Period Population estimate Quality of estimate IBA Criteria IUCN Category
Falco peregrinus resident  1996  10 breeding pairs  medium  C6  Not Recognised 
Egyptian Vulture Neophron percnopterus breeding  1996  15 breeding pairs  good  B2, C6  Endangered 
Griffon Vulture Gyps fulvus resident  1996  200-300 breeding pairs  medium  A4ii, B1iii, B2, C2, C6  Least Concern 
Golden Eagle Aquila chrysaetos resident  1996  10 breeding pairs  medium  C6  Least Concern 
Bonelli's Eagle Aquila fasciata resident  1996  3-4 breeding pairs  good  C6  Least Concern 
Red-billed Chough Pyrrhocorax pyrrhocorax resident  1996  300 breeding pairs  medium  B2, C2  Least Concern 
Black Wheatear Oenanthe leucura resident  1996  40 breeding pairs  medium  B2  Least Concern 

Protected areas

Protected area Designation Area (ha) Relationship with IBA Overlap with IBA (ha)  
DESFILADEROS DEL RÍO MARTÍN - ES0000303 Birds Directive 44,860 protected area overlaps with site 27,578  
LAS PLANETAS-CLAVERÍAS - ES2420112 Habitats Directive 2,724 protected area overlaps with site 1,414  
PARQUE CULTURAL DEL RÍO MARTÍN - ES2420113 Habitats Directive 25,389 protected area overlaps with site 21,902  

Habitats

IUCN habitat Habitat detail Extent (% of site)
Forest Native coniferous woodland  -
Shrubland Sclerophyllous scrub, garrigue and maquis  26%
Rocky areas Inland cliffs  26%

Land use

Land-use Extent (% of site)
agriculture 26%
hunting -
not utilised -

Protection status National None International None

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Recommended citation  BirdLife International (2014) Important Bird Areas factsheet: River Martín canyons and Arcos mountain range. Downloaded from http://www.birdlife.org on 17/09/2014

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