ES198
Castrejón reservoir


IBA Justification

The site was identified as internationally important for bird conservation in 2011 because it was regularly supporting significant populations of the species listed below, meeting ('triggering') IBA criteria.

Populations meeting IBA criteria ('trigger species') at the site:
Species Red List Season (year/s of estimate) Size IBA criteria
Purple Swamphen Porphyrio porphyrio LC resident (2009) 10–20 pairs C6
Common Little Bittern Ixobrychus minutus LC breeding (2008) 20–40 pairs C6
Black-crowned Night Heron Nycticorax nycticorax LC resident (2009) 100–200 pairs C2, C6
Purple Heron Ardea purpurea LC breeding (2009) 25–50 pairs B1i, C2, C6
Western Marsh-harrier Circus aeruginosus LC winter (2007) 16–19 birds C6
Western Marsh-harrier Circus aeruginosus LC resident (2007) 15–25 pairs C6

Habitats

Habitat % of IBA Habitat detail
Forest 26 Alluvial and very wet forest; Broadleaved evergreen woodland
Wetlands (inland) 26 Standing freshwater; Rivers and streams; Water fringe vegetation
Artificial/Terrestrial - Arable land; Perennial crops, orchards and groves
Grassland -

Land use

Land use % of IBA
water management 26
agriculture -
tourism/recreation -


Recommended citation
BirdLife International (2024) Important Bird Area factsheet: Castrejón reservoir (Spain). Downloaded from https://datazone.birdlife.org/site/factsheet/castrejón-reservoir-iba-spain on 27/12/2024.