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Location Spain, Castilla y León
Central coordinates 2o 30.00' West  41o 20.00' North
IBA criteria B1iii, B2, C2, C6
Area 45,300 ha
Altitude 987 - 1,361m
Year of IBA assessment 2000


Site description A rugged landscape with many small gorges, small Quercus and Juniperus woods, scrub and arable cultivation. The main human activities are sheep-grazing and forestry.

Key Biodiversity This is an important breeding area for cliff-nesting raptors, particularly Gyps fulvus and Neophron percnopterus.

Populations of IBA trigger species

Species Season Period Population estimate Quality of estimate IBA Criteria IUCN Category
Egyptian Vulture Neophron percnopterus breeding  1994  12-13 breeding pairs  good  B2  Endangered 
Griffon Vulture Gyps fulvus resident  1995  148 breeding pairs  good  B1iii, B2, C2, C6  Least Concern 
Eurasian Eagle-owl Bubo bubo resident  1995  8-11 breeding pairs  good  C6  Least Concern 

Protected areas

Protected area Designation Area (ha) Relationship with IBA Overlap with IBA (ha)  
ALTOS DE BARAHONA - ES0000203 Birds Directive 42,899 protected area is adjacent to site 0  
ALTOS DE BARAHONA - ES4170148 Habitats Directive 43,920 protected area is adjacent to site 0  
ENCINARES DE TIERMES - ES4170142 Habitats Directive 1,153 protected area contained by site 1,153  
PINAR DE LOSANA - ES4170141 Habitats Directive 795 protected area contained by site 795  
SIERRA DE AYLLÓN - ES4160019 Habitats Directive 14,119 protected area is adjacent to site 0  
SIERRA DE PELA - ES4240007 Habitats Directive 11,972 protected area is adjacent to site 0  


IUCN habitat Habitat detail Extent (% of site)
Forest Broadleaved deciduous woodland; Broadleaved evergreen woodland  26%
Shrubland Scrub  26%
Grassland Steppes and dry calcareous grassland  -
Rocky areas Inland cliffs  -
Artificial - terrestrial Arable land  26%

Land use

Land-use Extent (% of site)
agriculture 26%
forestry 26%

Protection status National None International None

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Recommended citation  BirdLife International (2015) Important Bird Areas factsheet: Tiermes-Caracena. Downloaded from on 06/05/2015

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