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Location France, Aquitaine
Central coordinates 1o 0.00' West  45o 26.00' North
IBA criteria B2, C6
Area 22,250 ha
Altitude 0 - 10m
Year of IBA assessment 2000

Ligue Pour La Protection des Oiseaux

Site description An estuary with mudflats, marshes, wet meadows, cultivated fields, hedgerows and abandoned fields.

Key Biodiversity This site is of regional importance for wintering waterbirds.

Populations of IBA trigger species

Species Season Period Population estimate Quality of estimate IBA Criteria IUCN Category
Western Marsh-harrier Circus aeruginosus breeding  1997  1-10 breeding pairs  C6  Least Concern 
Montagu's Harrier Circus pygargus breeding  1991  20-30 breeding pairs  C6  Least Concern 
Milvus migrans breeding  1991  10-100 breeding pairs  B2, C6  Not Recognised 
Pied Avocet Recurvirostra avosetta winter  1997  51-160 individuals  B2  Least Concern 
Common Kingfisher Alcedo atthis breeding  1991  10-100 breeding pairs  B2, C6  Least Concern 
Red-backed Shrike Lanius collurio breeding  1991  100-500 breeding pairs  B2, C6  Least Concern 
Woodchat Shrike Lanius senator breeding  1991  10-100 breeding pairs  B2  Least Concern 


IUCN habitat Habitat detail Extent (% of site)
Grassland Humid grasslands  -
Wetlands (inland) Rivers and streams; Standing brackish and salt water; Standing freshwater; Tidal rivers and enclosed tidal waters; Water fringe vegetation  -
Artificial - terrestrial Arable land; Perennial crops, orchards and groves; Ruderal land  -
Coastline Mud flats & sand flats; Salt marshes  -

Land use

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

Protection status National None International Low1,243 ha of IBA covered by Special Protection Area (Zones humides du Nord Ouest Médoc, 1,243 ha).

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Recommended citation  BirdLife International (2016) Important Bird and Biodiversity Area factsheet: Estuaire de la Gironde : marais du Nord Médoc. Downloaded from on 24/10/2016

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