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Location France, Bretagne
Central coordinates 4o 22.00' West  47o 53.00' North
IBA criteria A1, A4i, B1i, C1, C3, C6
Area 3,100 ha
Altitude 0 - 5m
Year of IBA assessment 2000

Ligue Pour La Protection des Oiseaux

Site description Saltwater and freshwater lagoons with reedbeds (Phragmites), sand-dunes, beaches, rocky coast, wet meadows, agricultural and uncultivated land.

Key Biodiversity The site is important for passage and wintering waterbirds. Species of global conservation concern that do not meet IBA criteria: Aythya nyroca (passage).

Populations of IBA trigger species

Species Season Period Population estimate Quality of estimate IBA Criteria IUCN Category
Ixobrychus minutus breeding  1991  1-10 breeding pairs  C6  Not Recognised 
Western Marsh-harrier Circus aeruginosus breeding  1991  10-20 breeding pairs  C6  Least Concern 
Sanderling Calidris alba passage  1997  1,000-10,000 individuals  A4i, B1i, C3  Least Concern 
Aquatic Warbler Acrocephalus paludicola passage  1991  250-300 individuals  A1, C1  Vulnerable 
Dartford Warbler Sylvia undata breeding  1991  10 breeding pairs  C6  Near Threatened 

Protected areas

Protected area Designation Area (ha) Relationship with IBA Overlap with IBA (ha)  
Baie d'Audierne Hunting Reserve 850 protected area contained by site 850  
SEPNB Reserve Private Reserve 52 protected area contained by site 52  


IUCN habitat Habitat detail Extent (% of site)
Shrubland Heathland  -
Grassland Humid grasslands  -
Wetlands (inland) Standing brackish and salt water; Water fringe vegetation  -
Artificial - terrestrial Arable land  -
Coastline Lagoons; Sand dunes & beaches; Shingle & stony beaches  -

Land use

Land-use Extent (% of site)
agriculture -
hunting -
tourism/recreation -
urban/industrial/transport -

Protection status National Low International Partial52 ha of IBA covered by Private Reserve (SEPNB Reserve, 52 ha). 850 ha of IBA covered by Hunting Reserve (Baie d'Audierne, 850 ha). 1,600 ha of IBA covered by Special Protection Area (Baie d'Audierne, 1,600 ha).

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Recommended citation  BirdLife International (2016) Important Bird and Biodiversity Area factsheet: Marais de la Baie d'Audierne. Downloaded from on 24/10/2016

To provide new information to update this factsheet or to correct any errors, please email BirdLife