Estuaire de la Canche

IBA Criteria

Year of most recent IBA criteria assessment: 2000

Populations of IBA trigger species
Species Current IUCN Red List Category Season Year(s) of estimate Population estimate IBA Criteria Triggered
European Nightjar Caprimulgus europaeus LC breeding 1991 10 breeding pairs C6
Lesser Black-backed Gull Larus fuscus LC passage 1991 1,000-10,000 individuals A4i, B1i, C3
Great Black-backed Gull Larus marinus LC winter 1991 2,000-10,000 individuals A4i, B1i, C3
Arctic Herring Gull Larus smithsonianus LC winter 1991 10,000-20,000 individuals B1i
Woodlark Lullula arborea LC breeding 1991 1-10 breeding pairs C6
A4iii Species group - waterbirds n/a winter 1991 20,000-49,999 individuals A4iii, C4

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)
LES GARENNES DE LORNEL Terrain acquis par le Conservatoire du Littoral 484 protected area overlaps with site 0
Estuaires picards et mer d'Opale Parc naturel marin 235,000 protected area overlaps with site 0
Estuaire de la Canche; dunes picardes plaquées sur l'ancienne falaise, forêt d'Hardelot et falaise d'Equihen Site of Community Importance (Habitats Directive) 1,661 protected area overlaps with site 521
Estuaire de la Canche Special Protection Area (Birds Directive) 5,032 protected area overlaps with site 4,115
Estuaire de la Canche Hunting Reserve 4,000 protected area contained by site 4,000
Baie de Canche et couloir des trois estuaires Site of Community Importance (Habitats Directive) 33,306 protected area overlaps with site 3,899
Baie de Canche Réserve naturelle nationale 505 protected area contained by site 505


IUCN Habitat Habitat detail Extent (% of site)
Forest Native coniferous woodland, Mixed woodland, Alluvial and very wet forest -
Grassland Humid grasslands -
Wetlands (inland) Tidal rivers and enclosed tidal waters, Standing freshwater, Standing brackish and salt water, Rivers and streams, Water fringe vegetation -
Sea Open Sea -
Artificial/Terrestrial Urban parks and gardens -
Coastline Sand dunes & beaches, Salt marshes, Mud flats & sand flats -
For further information about the habitat classification please click here.

Land use

Land-use Extent (% of site)
fisheries/aquaculture -
forestry -
hunting -
tourism/recreation -
urban/industrial/transport -
not utilised -
For further information about the land use classification please click here.

Recommended citation
BirdLife International (2022) Important Bird Areas factsheet: Estuaire de la Canche. Downloaded from on 14/08/2022.