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Location Spain, Andalucía
Central coordinates 3o 21.00' West  37o 55.00' North
IBA criteria B1iii, B2, C2, C6
Area 663 ha
Altitude 320 - 361m
Year of IBA assessment 2000


Site description A group of three shallow reservoirs with abundant emergent vegetation and reedbeds (Phragmites). An area of riverine forest remains. The surrounds are dominated by arable cultivation and olive-groves.

Key Biodiversity This is an important site for breeding, passage and wintering waterbirds, particularly breeding Porphyrio porphyrio, and also for non-breeding Milvus migrans. Species of global conservation concern that do not meet IBA criteria: Oxyura leucocephala (3-5 passage individuals).

Populations of IBA trigger species

Species Season Period Population estimate Quality of estimate IBA Criteria IUCN Category
Western Marsh-harrier Circus aeruginosus resident  1996  3 breeding pairs  good  C6  Least Concern 
Milvus migrans non-breeding  1996  200 individuals  medium  B1iii, C2  Not Recognised 
Purple Swamphen Porphyrio porphyrio resident  1996  30-50 breeding pairs  medium  B2, C2, C6  Least Concern 
Pied Avocet Recurvirostra avosetta winter  1996  300 individuals  good  B2  Least Concern 


IUCN habitat Habitat detail Extent (% of site)
Forest Alluvial and very wet forest  26%
Wetlands (inland) Standing freshwater; Water fringe vegetation  26%

Land use

Land-use Extent (% of site)
water management -
urban/industrial/transport 26%

Protection status National High International None663 ha of IBA covered by Natural Landscape (Alto Guadalquivir, 663 ha).

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Recommended citation  BirdLife International (2016) Important Bird and Biodiversity Area factsheet: Middle section of river Guadalquivir reservoirs. Downloaded from on 24/10/2016

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