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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
Velvet Scoter Melanitta fusca	VU	winter (1997)	1,074–3,403 birds	B2
Greater Scaup Aythya marila	LC	winter (1997)	35–300 birds	B2
Horned Grebe Podiceps auritus	VU	winter (1991)	10–100 birds	B1i, C2
Little Gull Hydrocoloeus minutus	LC	passage (1997)	1,000–10,000 birds	A4i, B1i, C3
Lesser Black-backed Gull Larus fuscus	LC	passage (1997)	1,000–10,000 birds	A4i, B1i, C3
Little Tern Sternula albifrons	LC	passage (1991)	100–500 birds	B1i, C2
Common Tern Sterna hirundo	LC	passage (1991)	1,000–10,000 birds	A4i, B1i, C2
Sandwich Tern Thalasseus sandvicensis	LC	passage (1991)	1,000–10,000 birds	A4i, B1i, C2
A4iii Species group - waterbirds	n/a	passage (1997)	min 20,000 birds	A4iii, C4

Year	Protected Area	Designation (management category)	% coverage of IBA
1983	FALAISES DES VACHES NOIRES	Terrain acquis par le Conservatoire du Littoral (IV)	<1
1984	Estuaire de l'Orne	Terrain acquis par le Conservatoire du Littoral (IV)	<1
1997	Estuaire de la Seine	Réserve naturelle nationale (IV)	2
1998	MARAIS DE VILLERS - BLONVILLE	Terrain acquis par le Conservatoire du Littoral (IV)	<1
2007	Estuaire de la Seine	Marine Protected Area (OSPAR) (UA)	2
2012	Estuaire de la Seine	Marine Protected Area (OSPAR) (UA)	2

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

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

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Recommended citation
BirdLife International (2024) Important Bird Area factsheet: Littoral Augeron (France). Downloaded from https://datazone.birdlife.org/site/factsheet/littoral-augeron-iba-france on 23/12/2024.