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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
Purple Heron Ardea purpurea	LC	breeding (1991)	47 pairs	C6
Western Marsh-harrier Circus aeruginosus	LC	breeding (1997)	6 pairs	C6
Montagu's Harrier Circus pygargus	LC	breeding (1991)	23–27 pairs	C6
Hen Harrier Circus cyaneus	LC	breeding (1991)	4 pairs	C6

Year	Protected Area	Designation (management category)	% coverage of IBA
-	FR206	Hunting Reserve (-)	2

Habitat	% of IBA	Habitat detail
Artificial/Terrestrial	-	Arable land
Forest	-	Broadleaved deciduous woodland
Grassland	-	Humid grasslands
Marine Coastal/Supratidal	-
Marine Intertidal	-

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

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Recommended citation
BirdLife International (2024) Important Bird Area factsheet: Estuaire de la Gironde : marais du Blayais (France). Downloaded from https://datazone.birdlife.org/site/factsheet/estuaire-de-la-gironde-:-marais-du-blayais-iba-france on 27/12/2024.