Estuaire et embouchure de la Seine

Country/territory: France

IBA Criteria met: A1, A4i, A4iii, B1i, B2, C1, C2, C3, C4, C6 (2000)
For more information about IBA criteria please click here

Area: 21,100 ha

Ligue Pour La Protection des Oiseaux
Most recent IBA monitoring assessment
Year of assessment Threat score (pressure) Condition score (state) Action score (response)
2013 medium very unfavourable low
For more information about IBA monitoring please click here

Site description
An estuary with mudflats, saltmarshes, sand and shingle-beaches, reedbeds (Phragmites), wet meadows, urban and industrial areas. The area includes the port of Le Havre.

Key biodiversity
The site holds 20,000 or more waterbirds on passage and in winter, on a regular basis (including Podiceps cristatus 4,706 (wintering); Melanitta nigra 4,006 (wintering); Haematopus ostralegus 4,950 (wintering)). Species of global conservation concern that do not meet IBA criteria: Acrocephalus paludicola (passage).

Recommended citation
BirdLife International (2023) Important Bird Areas factsheet: Estuaire et embouchure de la Seine. Downloaded from on 08/02/2023.