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Location France, Basse-Normandie
Central coordinates 1o 15.00' West  49o 20.00' North
IBA criteria A1, A4i, A4iii, B1i, B2, C1, C2, C3, C4, C6
Area 37,500 ha
Altitude 0 - 7m
Year of IBA assessment 2000

Ligue Pour La Protection des Oiseaux



Site description A bay with mudflats, saltmarshes, wet meadows, aquatic vegetation, and peatbogs.

Populations of IBA trigger species

Species Season Period Population estimate Quality of estimate IBA Criteria IUCN Category
Northern Pintail Anas acuta winter  1997  236-1,215 individuals  B1i, C3  Least Concern 
Northern Pintail Anas acuta passage  1997  750-5,000 individuals  B1i, C3  Least Concern 
Brent Goose Branta bernicla passage  1997  10,000-20,000 individuals  A4i, B1i, C3  Least Concern 
Northern Shoveler Spatula clypeata passage  1997  500-1,000 individuals  B1i, C3  Least Concern 
Melanitta fusca winter  1997  2-250 individuals  B2  Not Recognised 
White Stork Ciconia ciconia breeding  1991  1-5 breeding pairs  C6  Least Concern 
Eurasian Spoonbill Platalea leucorodia passage  1991  50-250 individuals  A4i, B1i, C2  Least Concern 
Great Cormorant Phalacrocorax carbo passage  1997  750-5,000 individuals  A4i, B1i, C3  Least Concern 
Montagu's Harrier Circus pygargus breeding  1991  3-5 breeding pairs  C6  Least Concern 
Corncrake Crex crex breeding  1992  26-31 breeding pairs  A1, C1, C6  Least Concern 
Haematopus ostralegus winter  1997  1,500-11,500 individuals  A4i, B1i, C3  Not Recognised 
Common Ringed Plover Charadrius hiaticula passage  1997  1,000-10,000 individuals  A4i, B1i, C3  Least Concern 
Eurasian Curlew Numenius arquata winter  1997  793-13,298 individuals  A4i, B1i, B2, C3  Near Threatened 
Dunlin Calidris alpina winter  1997  6,900-12,520 individuals  B2  Least Concern 
Sandwich Tern Thalasseus sandvicensis passage  1997  1,000-10,000 individuals  A4i, B1i, C2  Least Concern 
Common Tern Sterna hirundo passage  1991  1,000-10,000 individuals  A4i, B1i, C2  Least Concern 
Little Tern Sternula albifrons passage  1991  500-1,000 individuals  A4i, B1i, C2  Least Concern 
Black Tern Chlidonias niger passage  1991  1,000-10,000 individuals  A4i, B1i, C2  Least Concern 
Dartford Warbler Sylvia undata breeding  1991  1-10 breeding pairs  C6  Near Threatened 
A4iii Species group - waterbirds winter  1997  20,000-49,999 individuals  unknown  A4iii, C4   
A4iii Species group - waterbirds passage  1997  20,000-49,999 individuals  unknown  A4iii, C4   

Protected areas

Protected area Designation Area (ha) Relationship with IBA Overlap with IBA (ha)  
Baie de Seine occidentale - FR2502020 Habitats Directive 45,566 protected area is adjacent to site 0  
Baie de Seine occidentale - FR2510047 Birds Directive 44,488 protected area is adjacent to site 0  
Basses Vallées du Cotentin et Baie des Veys - FR2510046 Birds Directive 33,695 protected area overlaps with site 28,897  
Coteaux calcaires et anciennes carrières de La Meauffe, Cavigny et Airel - FR2502012 Habitats Directive 45 protected area overlaps with site 20  
Domaine de Beauguillot National Nature Reserve 686 protected area contained by site 600  
FRN038 Hunting Reserve 1,907 protected area contained by site 1,907  
Marais de la Sangsurière et de l'Adriennerie National Nature Reserve 396 protected area contained by site 400  
MARAIS DU COTENTIN ET DU BESSIN - BAIE DES VEYS - FR2500088 Habitats Directive 29,270 protected area overlaps with site 25,716  
Marais du Cotentin et du Bessin, Baie des Veys Wetlands of International Importance (Ramsar) 32,500 protected area contained by site 32,500  

Habitats

IUCN habitat Habitat detail Extent (% of site)
Grassland Humid grasslands  -
Wetlands (inland) Fens, transition mires and springs; Raised bogs; Rivers and streams; Standing freshwater; Tidal rivers and enclosed tidal waters; Water fringe vegetation  -
Sea Open Sea; Sea inlets and coastal features  -
Artificial - terrestrial Highly improved re-seeded landscapes; Perennial crops, orchards and groves  -
Coastline Mud flats & sand flats; Salt marshes  -

Land use

Land-use Extent (% of site)
agriculture -
fisheries/aquaculture -
hunting -
tourism/recreation -
urban/industrial/transport -

Protection status National Low International High1,907 ha of IBA covered by Hunting Reserve (1,907 ha). 600 ha of IBA covered by Nature Reserve (Domaine de Beauguillot, 600 ha). 400 ha of IBA covered by Nature Reserve (Marais de la Sangsurière et de l'Adriennerie, 400 ha). 20,715 ha of IBA covered by Special Protection Area (Basses vallées du Cotentin et baie des Veys, 20,715 ha). 32,500 ha of IBA covered by Ramsar Site (Marais du Cotentin et du Bessin, Baie de Veys, 32,500 ha).

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Recommended citation  BirdLife International (2014) Important Bird Areas factsheet: Baie des Veys et Marais du Cotentin. Downloaded from http://www.birdlife.org on 30/09/2014

To provide new information to update this factsheet or to correct any errors, please email BirdLife