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Location Spain, Castilla y León
Central coordinates 2o 48.00' West  41o 18.00' North
IBA criteria A1, B2, C1, C2, C6
Area 29,000 ha
Altitude 1,100 - 1,313m
Year of IBA assessment 2000


Site description A deforested limestone plain in southern Soria, with small cliffs along rivers and streams. The site is dominated by non-irrigated cereal crops with some low scrub and dry grassland.

Key Biodiversity This is an important area for steppic species, including the most important population of Chersophilus duponti in Spain.

Populations of IBA trigger species

Species Season Period Population estimate Quality of estimate IBA Criteria IUCN Category
Great Bustard Otis tarda non-breeding  1996  46-50 individuals  good  A1, C1  Vulnerable 
Little Bustard Tetrax tetrax resident  1995  60 breeding pairs  good  C6  Near Threatened 
Burhinus oedicnemus resident  1996  50 breeding pairs  good  C6  Not Recognised 
Black-bellied Sandgrouse Pterocles orientalis resident  1992  150 breeding pairs  good  B2, C6  Least Concern 
Dupont's Lark Chersophilus duponti resident  1992  2,200 breeding pairs  good  B2, C2, C6  Near Threatened 

IBA Monitoring

2008 high unfavourable negligible
Good - based on reliable and complete / representative data

Agriculture and aquaculture livestock farming and ranching (includes forest grazing) - agro-industry grazing, ranching or farmin happening now majority/most of area/population (50-90%) moderate to rapid deterioration high
Energy production and mining renewable energy happening now some of area/population (10-49%) very rapid to severe deterioration high
Transportation and service corridors utility & service lines happening now some of area/population (10-49%) slow but significant deterioration medium

Grassland Steppes and dry calcareous grassland  0 0 moderate (70-90%) moderate (70-90%) unfavourable

Otis tarda Great Bustard 46 46 individuals 100 not assessed
Pterocles orientalis Black-bellied Sandgrouse 150 150 breeding pairs 100 not assessed
Chersophilus duponti Dupont's Lark 1100 300 males only 28 not assessed

Little/none of site covered (<10%)  No management planning has taken place  Very little or no conservation action taking place  negligible 


IUCN habitat Habitat detail Extent (% of site)
Forest Broadleaved evergreen woodland  10%
Shrubland Scrub  -
Grassland Steppes and dry calcareous grassland  60%
Artificial - terrestrial Arable land  30%

Land use

Land-use Extent (% of site)
agriculture 100%
hunting 90%

Protection status National None International None

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Recommended citation  BirdLife International (2016) Important Bird and Biodiversity Area factsheet: Altos de Barahona high moor. Downloaded from on 28/10/2016

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