Chingudi-Bidasoa estuary

IBA Criteria

Year of most recent IBA criteria assessment: 2011

Populations of IBA trigger species
Species Current IUCN Red List Category Season Year(s) of estimate Population estimate IBA Criteria Triggered
Balearic Shearwater Puffinus mauretanicus CR passage 2003 max 1,500 individuals A1, A4ii, B1ii, C1, C2
Eurasian Spoonbill Platalea leucorodia LC passage 2009 500-1,000 individuals A4i, B1i, C2
Eurasian Curlew Numenius arquata NT winter 2009 3-400 individuals A1, C1
Aquatic Warbler Acrocephalus paludicola VU passage 2011 50-100 individuals A1, C1

Note: This table presents the IBA criteria triggered and the species that triggered then at the time of assessment, the current IUCN Red List category may vary from that which was in place at that time.

For more information about the IBA assessment process and criteria please click here

IBA Protection

Protected Area Designation Area (ha) Relationship with IBA Overlap with IBA (ha)
Txingudi-Bidasoa Site of Community Importance (Habitats Directive) 139 protected area overlaps with site 51
Txingudi Special Protection Area (Birds Directive) 138 protected area overlaps with site 134
Jaizkibel Site of Community Importance (Habitats Directive) 2,470 protected area is adjacent to site 0


IUCN Habitat Habitat detail Extent (% of site)
Forest Alluvial and very wet forest -
Grassland Humid grasslands -
Wetlands (inland) Rivers and streams, Water fringe vegetation -
Sea Sea inlets and coastal features -
Coastline Tidal rivers & enclosed tidal waters, Sand dunes & beaches, Mud flats & sand flats, Sea cliffs and rocky shores -
Artificial/Terrestrial Highly improved re-seeded landscapes, Arable land, Other urban and industrial areas -
For further information about the habitat classification please click here.

Land use

Land-use Extent (% of site)
agriculture -
fisheries/aquaculture -
tourism/recreation -
urban/industrial/transport -
For further information about the land use classification please click here.

Recommended citation
BirdLife International (2022) Important Bird Areas factsheet: Chingudi-Bidasoa estuary. Downloaded from on 03/07/2022.