Data Zone
The site was identified as important in 2000 because it was regularly supporting significant populations of the species listed below, meeting ('triggering') IBA criteria.
Populations meeting IBA criteria ('trigger species'):| Species | Current IUCN Red List Category | Season | Year(s) | Population estimate at site | IBA criteria met |
|---|---|---|---|---|---|
| European Storm-petrel Hydrobates pelagicus | LC | breeding | 1991 | 1-10 breeding pairs | C6 |
| European Shag Gulosus aristotelis | LC | breeding | 1991 | 525 breeding pairs | B3 |
| Great Black-backed Gull Larus marinus | LC | breeding | 1991 | 350 breeding pairs | B3 |
| Common Tern Sterna hirundo | LC | breeding | 1991 | 20-25 breeding pairs | C6 |
| Sandwich Tern Thalasseus sandvicensis | LC | passage | 1991 | 750-5,000 individuals | A4i, B1i, C2 |
| Dartford Warbler Curruca undata | NT | breeding | 1991 | 1-10 breeding pairs | C6 |
The current IUCN Red List category may differ from that which was valid at the time of IBA criteria assessment (2000).
| Protected area (PA) | PA designation | PA area (ha) | Relationship of PA with IBA | Overlap of PA with IBA (ha) |
|---|---|---|---|---|
| POINTE DU NICK | Terrain acquis par le Conservatoire du Littoral | 19 | protected area overlaps with site | 0 |
| POINTE DU MEINGA | Terrain acquis par le Conservatoire du Littoral | 14 | protected area overlaps with site | 0 |
| POINTE DU DECOLLE | Terrain acquis par le Conservatoire du Littoral | 1 | protected area contained by site | 0 |
| POINTE DE LA VARDE | Terrain acquis par le Conservatoire du Littoral | 17 | protected area overlaps with site | 0 |
| Marais du Cotentin et du Bessin | Parc naturel régional | 147,619 | protected area is adjacent to site | 0 |
| Littoral Ouest du Cotentin de Bréhal à Pirou | Site of Community Importance (Habitats Directive) | 3,375 | protected area overlaps with site | 0 |
| Ilôts Notre-Dame et Chevret | Special Protection Area (Birds Directive) | 3 | protected area contained by site | 0 |
| ILES DES LANDES | Terrain acquis par le Conservatoire du Littoral | 8 | protected area is adjacent to site | 0 |
| Iles de la Colombière; de la Nellière et des Haches | Special Protection Area (Birds Directive) | 1,696 | protected area is adjacent to site | 0 |
| Iles Chausey Maritime | Hunting Reserve | 18,000 | protected area contained by site | 18,000 |
| Iles Chausey | National Marine Hunting Reserve | 54 | protected area contained by site | 54 |
| ILES CHAUSEY | Terrain acquis par le Conservatoire du Littoral | 4,999 | protected area contained by site | 0 |
| ILE CEZEMBRE | Land acquired by Conservatoire du Littoral (national seaside and lakeside conservancy) | 11 | protected area contained by site | 0 |
| ILE BESNARD | Terrain acquis par le Conservatoire du Littoral | 22 | protected area overlaps with site | 0 |
| Havre de Saint-Germain-sur-Ay et Landes de Lessay | Site of Community Importance (Habitats Directive) | 4,056 | protected area overlaps with site | 0 |
| Havre de la Sienne | Special Protection Area (Birds Directive) | 2,167 | protected area overlaps with site | 0 |
| HAVRE DE GEFFOSSES | Terrain acquis par le Conservatoire du Littoral | 2 | protected area overlaps with site | 0 |
| Golf de Dinard | Arrêté de protection de biotope | 60 | protected area overlaps with site | 0 |
| FR038 | Private Reserve | 90 | protected area contained by site | 90 |
| Estuaire de la Rance | Site of Community Importance (Habitats Directive) | 2,785 | protected area overlaps with site | 0 |
| Côte de Cancale à Paramé | Site of Community Importance (Habitats Directive) | 1,751 | protected area overlaps with site | 0 |
| Chausey | Special Protection Area (Birds Directive) | 82,426 | protected area overlaps with site | 71,750 |
| Chausey | Site of Community Importance (Habitats Directive) | 82,836 | protected area overlaps with site | 18,400 |
| Cap d'Erquy-Cap Fréhel | Site of Community Importance (Habitats Directive) | 55,796 | protected area overlaps with site | 0 |
| Cap d'Erquy-Cap Fréhel | Special Protection Area (Birds Directive) | 40,434 | protected area overlaps with site | 0 |
| Baie du Mont Saint-Michel | Ramsar Site, Wetland of International Importance | 62,000 | protected area is adjacent to site | 0 |
| Baie du Mont Saint Michel | Special Protection Area (Birds Directive) | 47,672 | protected area is adjacent to site | 0 |
| Baie de Lancieux; Baie de l'Arguenon, Archipel de Saint Malo et Dinard | Site of Community Importance (Habitats Directive) | 5,142 | protected area overlaps with site | 0 |
| ANSE DU VERGER | Terrain acquis par le Conservatoire du Littoral | 55 | protected area overlaps with site | 0 |
| Anciennes fortifications de la Garde Guérin | Arrêté de protection de biotope | 10 | protected area contained by site | 0 |
| Habitat (IUCN level 1) | Habitat detail | Extent (% of site) |
|---|---|---|
| Shrubland | Heathland | - |
| Artificial/Terrestrial | Arable land | - |
| Marine Neritic | - | |
| Marine Intertidal | - | |
| Marine Coastal/Supratidal | - |
| Land-use | Extent (% of site) |
|---|---|
| agriculture | - |
| fisheries/aquaculture | - |
| tourism/recreation | - |
| urban/industrial/transport | - |
Recommended citation
BirdLife International (2023) Important Bird Area factsheet: Iles Chausey. Downloaded from
http://datazone.birdlife.org/site/factsheet/iles-chausey-iba-france on 23/09/2023.
