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close| Location | Spain, País Vasco |
| Central coordinates | 1o 47.00' West 43o 22.00' North |
| IBA criteria | A1, A4i, A4ii, B1i, B1ii, B2, C1, C2, C3 |
| Area | 525 ha |
| Altitude | 0 - 50m |
| Year of IBA assessment | 2007 |
Ornithological information A very important area for passage and wintering seabirds and waders.
Site description A highly developed estuary on the Atlantic border between Spain and France. The site includes sandy beaches, cliffs, large areas of intertidal mud, grasslands, reedbeds (Phragmites) and some riverine woodland. Main human activities are agriculture, fisheries, tourism and industry.
Populations of IBA trigger species
| Species | Season | Period | Population estimate | Quality of estimate | IBA Criteria | IUCN Category |
|---|---|---|---|---|---|---|
| Balearic Shearwater Puffinus mauretanicus | passage | 1996 | 300-2,000 individuals | medium | A1, A4ii, B1ii, C1, C2 | Critically Endangered |
| Black Stork Ciconia nigra | passage | 1996 | 1-11 individuals | medium | B1i, C2 | Least Concern |
| Eurasian Spoonbill Platalea leucorodia | passage | 1996 | 69-255 individuals | good | A4i, B1i, C2 | Least Concern |
| Eurasian Curlew Numenius arquata | winter | 1997 | 32-5,000 individuals | good | A4i, B1i, B2, C3 | Near Threatened |
| Yellow-legged Gull Larus michahellis | passage | 1996 | 900-5,000 individuals | medium | A4i, B1i, C3 | Least Concern |
| Sandwich Tern Sterna sandvicensis | passage | 1987 | 1,100-1,500 individuals | medium | B1i, C2 | Least Concern |
| Common Tern Sterna hirundo | passage | 1996 | 200-2,000 individuals | medium | B1i, C2 | Least Concern |
| Aquatic Warbler Acrocephalus paludicola | passage | 1996 | 9-40 individuals | medium | A1, C1 | Vulnerable |
Protected areas
| Protected area | Designation | Area (ha) | Relationship with IBA | Overlap with IBA (ha) | |
|---|---|---|---|---|---|
| Jaizkibel - ES2120017 | Habitats Directive | 2,434 | protected area is adjacent to site | 0 | |
| Txingudi - ES0000243 | Birds Directive | 134 | protected area contained by site | 134 | |
| Txingudi-Bidasoa - ES2120018 | Habitats Directive | 122 | protected area overlaps with site | 51 |
Habitats
| IUCN habitat | Habitat detail | Extent (% of site) |
|---|---|---|
| Forest | Alluvial and very wet forest | 10% |
| Grassland | Humid grasslands | 5% |
| Wetlands (inland) | Rivers and streams; Water fringe vegetation | - |
| Sea | Sea inlets and coastal features | 20% |
| Coastline | Mud flats & sand flats; Sand dunes & beaches; Sea cliffs and rocky shores; Tidal rivers & enclosed tidal waters | - |
| Artificial landscapes (terrestrial) | Arable land; Highly improved re-seeded landscapes; Other urban and industrial areas | 25% |
Land use
| Land-use | Extent (% of site) |
|---|---|
| agriculture | 20% |
| fisheries/aquaculture | 5% |
| tourism/recreation | 20% |
| urban/industrial/transport | 30% |
Management considerations The main threats are from dredging, industrial, transport and urban development, tourism and illegal hunting. A management and recovery plan exists but has not been implemented.
Protection status National None International None
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Recommended citation BirdLife International (2013) Important Bird Areas factsheet: Chingudi-Bidasoa estuary. Downloaded from http://www.birdlife.org on 20/06/2013
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