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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	winter (1997)	1,420–3,610 birds	A4i, B1i, C3
Greater Scaup Aythya marila	LC	winter (1997)	1,950–5,440 birds	B2
Northern Pintail Anas acuta	LC	winter (1997)	108–691 birds	B1i, C3
Pied Avocet Recurvirostra avosetta	LC	winter (1997)	1,294–2,103 birds	A4i, B1i, B2, C2
Eurasian Curlew Numenius arquata	NT	winter (1997)	215–1,596 birds	B2
A4iii Species group - waterbirds	n/a	winter (1997)	min 20,000 birds	A4iii, C4

Year	Protected Area	Designation (management category)	% coverage of IBA
-	FR016	Hunting Reserve (-)	11
1982	Ilots du golfe du Morbihan et abords	Arrêté de protection de biotope (IV)	<1
2004	MARAIS DE PENESTIN	Terrain acquis par le Conservatoire du Littoral (IV)	<1
2011	DUNES ET MARAIS DE SAINT-ELOI	Terrain acquis par le Conservatoire du Littoral (IV)	<1
2014	Golfe du Morbihan	Parc naturel régional (V)	9

Habitat	% of IBA	Habitat detail
Marine Intertidal	major (>10)
Marine Neritic	major (>10)
Marine Coastal/Supratidal	minor (<10)

Land use	% of IBA
fisheries/aquaculture	-
hunting	-
tourism/recreation	-

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Recommended citation
BirdLife International (2024) Important Bird Area factsheet: Baie de Vilaine (France). Downloaded from https://datazone.birdlife.org/site/factsheet/baie-de-vilaine-iba-france on 23/12/2024.