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Location Spain, Castilla y León
Central coordinates 6o 15.00' West  41o 25.00' North
IBA criteria B1i, B1iii, B2, C2, C6
Area 53,000 ha
Altitude 500 - 823m
Year of IBA assessment 2000


Site description An area of granitic cliffs along the River Duero. The slopes covered in Quercus woodland, sclerophyllous scrub and grassland. The main human activities are arable cultivation and livestock-farming.

Populations of IBA trigger species

Species Season Period Population estimate Quality of estimate IBA Criteria IUCN Category
Black Stork Ciconia nigra breeding  1996  8 breeding pairs  good  B1i, C2, C6  Least Concern 
Falco peregrinus resident  1996  10 breeding pairs  good  C6  Not Recognised 
Egyptian Vulture Neophron percnopterus resident  1996  58 breeding pairs  good  B1iii, B2, C2, C6  Endangered 
Golden Eagle Aquila chrysaetos resident  1996  11-12 breeding pairs  good  B2, C6  Least Concern 
Bonelli's Eagle Aquila fasciata resident  1996  7 breeding pairs  good  B2, C6  Least Concern 
Red Kite Milvus milvus resident  1996  11-16 breeding pairs  good  C6  Near Threatened 
Eurasian Eagle-owl Bubo bubo resident  1992  15 breeding pairs  good  C6  Least Concern 

Protected areas

Protected area Designation Area (ha) Relationship with IBA Overlap with IBA (ha)  
ARRIBES DEL DUERO - ES0000118 Birds Directive 107,042 protected area overlaps with site 37,458  
ARRIBES DEL DUERO - ES4150096 Habitats Directive 106,398 protected area overlaps with site 38,568  
CAÑONES DEL DUERO - ES0000206 Birds Directive 17,374 protected area overlaps with site 1,062  
CAÑONES DEL DUERO - ES4190102 Habitats Directive 13,611 protected area is adjacent to site 0  


IUCN habitat Habitat detail Extent (% of site)
Forest Broadleaved evergreen woodland; Native coniferous woodland  30%
Shrubland Scrub  10%
Grassland Dry siliceous grassland  10%
Rocky areas Inland cliffs  10%
Artificial - terrestrial Arable land  25%

Land use

Land-use Extent (% of site)
agriculture 55%
urban/industrial/transport -

Protection status National None International Partial16,000 ha of IBA covered by Special Protection Area (Arribes del Duero, 86,000 ha).

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Recommended citation  BirdLife International (2014) Important Bird Areas factsheet: Arribes del Duero-Fermoselle. Downloaded from on 23/10/2014

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