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Location Spain, Aragón
Central coordinates 0o 15.00' West  41o 25.00' North
IBA criteria A1, A4ii, B1iii, B2, C1, C2, C6
Area 49,000 ha
Altitude 350 - 417m
Year of IBA assessment 2000


Site description An area of extensive endorreic plains with some seasonal brackish lagoons and steppe vegetation. The major land-use is non-irrigated cereal cultivation, livestock-farming and hunting.

Key Biodiversity This is an important area for steppic species, wildfowl and passage waders.

Populations of IBA trigger species

Species Season Period Population estimate Quality of estimate IBA Criteria IUCN Category
Lesser Kestrel Falco naumanni breeding  1996  230 breeding pairs  good  A1, A4ii, B1iii, B2, C1, C2, C6  Least Concern 
Great Bustard Otis tarda resident  1996  75-80 breeding pairs  good  A1, C1, C6  Vulnerable 
Little Bustard Tetrax tetrax resident  1996  50-100 breeding pairs  good  A1, C1, C6  Near Threatened 
Pin-tailed Sandgrouse Pterocles alchata resident  1996  common  C6  Least Concern 

Protected areas

Protected area Designation Area (ha) Relationship with IBA Overlap with IBA (ha)  
ESTEPAS DE MONEGRILLO Y PINA - ES0000180 Birds Directive 24,533 protected area is adjacent to site 0  
LA RETUERTA Y SALADAS DE SÁSTAGO - ES0000181 Birds Directive 36,005 protected area overlaps with site 29,234  
MEANDROS DEL EBRO - ES2430094 Habitats Directive 1,106 protected area overlaps with site 157  
MONEGROS - ES2430082 Habitats Directive 35,670 protected area overlaps with site 29,218  
SERRETA NEGRA - ES2410030 Habitats Directive 14,063 protected area is adjacent to site 0  
VALCUERNA, SERRETA NEGRA Y LIBEROLA - ES0000182 Birds Directive 35,270 protected area is adjacent to site 0  


IUCN habitat Habitat detail Extent (% of site)
Grassland Steppes and dry calcareous grassland  10%
Wetlands (inland) Standing brackish and salt water  5%
Artificial - terrestrial Arable land; Ruderal land  85%

Land use

Land-use Extent (% of site)
agriculture 100%
hunting 100%
forestry 5%

Protection status National None International None

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Recommended citation  BirdLife International (2015) Important Bird Areas factsheet: Los Monegros (South). Downloaded from on 04/03/2015

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