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Location Spain, Castilla y León
Central coordinates 4o 31.00' West  42o 15.00' North
IBA criteria A1, B2, C1, C2, C6
Area 58,500 ha
Altitude 750 - 859m
Year of IBA assessment 2000


Site description Large plains dominated by non-irrigated cereal cultivation with some dry grasslands. Riverine forest occurs along the banks of the River Carrión.

Key Biodiversity This is an important site for steppic species. Species of global conservation concern that do not meet IBA criteria: Falco naumanni (6 resident pairs) and Tetrax tetrax (resident).

Populations of IBA trigger species

Species Season Period Population estimate Quality of estimate IBA Criteria IUCN Category
Montagu's Harrier Circus pygargus breeding  1996  80 breeding pairs  medium  C6  Least Concern 
Great Bustard Otis tarda resident  1996  300-400 breeding pairs  medium  A1, B2, C1, C2, C6  Vulnerable 
Burhinus oedicnemus resident  1996  50 breeding pairs  poor  C6  Not Recognised 


IUCN habitat Habitat detail Extent (% of site)
Forest Alluvial and very wet forest  -
Shrubland Scrub  -
Grassland Dry siliceous grassland  -
Artificial - terrestrial Arable land  26%

Land use

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

Protection status National None International None

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Recommended citation  BirdLife International (2016) Important Bird and Biodiversity Area factsheet: Carrión-Frómista. Downloaded from on 27/10/2016

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