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The site was identified as internationally important for bird conservation in 2000 because it was regularly supporting significant populations of the species listed below, meeting ('triggering') IBA criteria.

Populations meeting IBA criteria ('trigger species') at the site:

Species	Red List	Season (year/s of estimate)	Size	IBA criteria
Brent Goose Branta bernicla	LC	passage (1997)	10,000–20,000 birds	A4i, B1i, C3
Velvet Scoter Melanitta fusca	VU	winter (1997)	2–250 birds	B2
Northern Shoveler Spatula clypeata	LC	passage (1997)	500–1,000 birds	B1i, C3
Northern Pintail Anas acuta	LC	winter (1997)	236–1,215 birds	B1i, C3
Northern Pintail Anas acuta	LC	passage (1997)	750–5,000 birds	B1i, C3
Corncrake Crex crex	LC	breeding (1992)	26–31 pairs	A1, C1, C6
White Stork Ciconia ciconia	LC	breeding (1991)	1–5 pairs	C6
Eurasian Spoonbill Platalea leucorodia	LC	passage (1991)	50–250 birds	A4i, B1i, C2
Great Cormorant Phalacrocorax carbo	LC	passage (1997)	750–5,000 birds	A4i, B1i, C3
Eurasian Oystercatcher Haematopus ostralegus	NT	winter (1997)	1,500–11,500 birds	A4i, B1i, C3
Common Ringed Plover Charadrius hiaticula	LC	passage (1997)	1,000–10,000 birds	A4i, B1i, C3
Eurasian Curlew Numenius arquata	NT	winter (1997)	793–13,298 birds	A4i, B1i, B2, C3
Dunlin Calidris alpina	NT	winter (1997)	6,900–12,520 birds	B2
Little Tern Sternula albifrons	LC	passage (1991)	500–1,000 birds	A4i, B1i, C2
Black Tern Chlidonias niger	LC	passage (1991)	1,000–10,000 birds	A4i, B1i, C2
Common Tern Sterna hirundo	LC	passage (1991)	1,000–10,000 birds	A4i, B1i, C2
Sandwich Tern Thalasseus sandvicensis	LC	passage (1997)	1,000–10,000 birds	A4i, B1i, C2
Montagu's Harrier Circus pygargus	LC	breeding (1991)	3–5 pairs	C6
Dartford Warbler Curruca undata	NT	breeding (1991)	1–10 pairs	C6
A4iii Species group - waterbirds	n/a	winter (1997)	20,000-49,999 birds	A4iii, C4
A4iii Species group - waterbirds	n/a	passage (1997)	20,000-49,999 birds	A4iii, C4

Year	Protected Area	Designation (management category)	% coverage of IBA
-	FRN038	Hunting Reserve (-)	5
1980	Domaine de Beauguillot	Réserve naturelle nationale (IV)	2
1987	LES VEYS	Terrain acquis par le Conservatoire du Littoral (IV)	<1
1991	Marais du Cotentin et du Bessin	Parc naturel régional (V)	88
1991	Sangsurière et de l'Adriennerie	Réserve naturelle nationale (IV)	1
1992	Marais de Sangsurière ; seuil du fil du Gorget	Arrêté de protection de biotope (IV)	-
1997	BEAUGUILLOT	Terrain acquis par le Conservatoire du Littoral (IV)	1
2006	Domaine de Beauguillot	Marine Protected Area (OSPAR) (UA)	1
2011	Marais de la Taute	Réserve naturelle régionale (IV)	<1
2012	Marais du Cotentin et du Bessin - Baie des Veys	Marine Protected Area (OSPAR) (UA)	69

Habitat	% of IBA	Habitat detail
Artificial/Terrestrial	major (>10)	Highly improved re-seeded landscapes; Perennial crops, orchards and groves
Grassland	major (>10)	Humid grasslands
Marine Intertidal	major (>10)
Marine Neritic	major (>10)
Wetlands (inland)	major (>10)	Standing freshwater; Rivers and streams; Raised bogs; Water fringe vegetation; Fens, transition mires and springs
Shrubland	minor (<10)	Heathland

Land use	% of IBA
agriculture	-
fisheries/aquaculture	-
hunting	-
tourism/recreation	-
urban/industrial/transport	-

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Recommended citation
BirdLife International (2024) Important Bird Area factsheet: Baie des Veys et Marais du Cotentin (France). Downloaded from https://datazone.birdlife.org/site/factsheet/baie-des-veys-et-marais-du-cotentin-iba-france on 23/12/2024.