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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
Brent Goose Branta bernicla	LC	winter	1997	1,420-3,610 individuals	A4i, B1i, C3
Greater Scaup Aythya marila	LC	winter	1997	1,950-5,440 individuals	B2
Northern Pintail Anas acuta	LC	winter	1997	108-691 individuals	B1i, C3
Pied Avocet Recurvirostra avosetta	LC	winter	1997	1,294-2,103 individuals	A4i, B1i, B2, C2
Eurasian Curlew Numenius arquata	NT	winter	1997	215-1,596 individuals	B2
A4iii Species group - waterbirds	n/a	winter	1997	20,000 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

Protected Area	Designation	Area (ha)	Relationship with IBA	Overlap with IBA (ha)
Mor Braz	Special Protection Area (Birds Directive)	40,276	protected area is adjacent to site	0
Marais salants de Guérande et du Més	Ramsar Site, Wetland of International Importance	5,200	protected area overlaps with site	0
Marais du Mès; baie et dunes de Pont-Mahé, étang du Pont de Fer	Special Protection Area (Birds Directive)	2,688	protected area overlaps with site	206
Marais du Mès; baie et dunes de Pont-Mahé, étang du Pont de Fer	Site of Community Importance (Habitats Directive)	2,688	protected area overlaps with site	209
MARAIS DE PENESTIN	Terrain acquis par le Conservatoire du Littoral	78	protected area overlaps with site	0
Ilots du golfe du Morbihan et abords	Arrêté de protection de biotope	50	protected area overlaps with site	0
Golfe du Morbihan	Parc naturel régional	64,125	protected area overlaps with site	0
FR016	Hunting Reserve	500	protected area contained by site	500
Estuaire de la Vilaine	Site of Community Importance (Habitats Directive)	4,769	protected area overlaps with site	3,585
DUNES ET MARAIS DE SAINT-ELOI	Terrain acquis par le Conservatoire du Littoral	1	protected area contained by site	0
Brière	Parc naturel régional	54,881	protected area is adjacent to site	0
Baie de Vilaine	Special Protection Area (Birds Directive)	6,851	protected area overlaps with site	3,823

IUCN Habitat	Habitat detail	Extent (% of site)
Wetlands (inland)	Tidal rivers and enclosed tidal waters	-
Sea	Sea inlets and coastal features	-
Coastline	Shingle & stony beaches, Sand dunes & beaches, Salt marshes, Mud flats & sand flats, Sea cliffs and rocky shores	-

For further information about the habitat classification please click here.

Land-use	Extent (% of site)
fisheries/aquaculture	-
hunting	-
tourism/recreation	-

For further information about the land use classification please click here.

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Recommended citation
BirdLife International (2022) Important Bird Areas factsheet: Baie de Vilaine. Downloaded from http://www.birdlife.org on 18/05/2022.