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Location France, Haute-Normandie
Central coordinates 1o 16.00' East  49o 16.00' North
IBA criteria A4iii, B1i, B2, C3, C4, C6
Area 5,200 ha
Altitude 0 - 4m
Year of IBA assessment 2000

Ligue Pour La Protection des Oiseaux

Site description The site includes a river, ponds, marshes and aquatic vegetation, meadows, arable fields and abandoned fields.

Key Biodiversity The site holds 20,000 or more waterbirds in winter, on a regular basis (including Aythya fuligula 2,000; Fulica atra 4,000 and Vanellus vanellus 5,000). Species of global conservation concern that do not meet IBA criteria: Aythya nyroca (wintering).

Populations of IBA trigger species

Species Season Period Population estimate Quality of estimate IBA Criteria IUCN Category
Common Pochard Aythya ferina winter  1991  4,500-7,000 individuals  B1i, C3  Least Concern 
Greater Scaup Aythya marila winter  1991  10-100 individuals  B2  Least Concern 
European Honey-buzzard Pernis apivorus breeding  1991  1-10 breeding pairs  C6  Least Concern 
Burhinus oedicnemus breeding  1991  1-10 breeding pairs  C6  Not Recognised 
Middle Spotted Woodpecker Leiopicus medius breeding  1991  1-10 breeding pairs  C6  Least Concern 
A4iii Species group - waterbirds winter  1991-1996  33,010-39,100 individuals  unknown  A4iii, C4   

Protected areas

Protected area Designation Area (ha) Relationship with IBA Overlap with IBA (ha)  
BOUCLES DE LA SEINE AMONT, COTEAUX D'AMFREVILLE AUX ANDELYS - FR2300126 Habitats Directive 2,102 protected area overlaps with site 663  
FR045 Private Reserve 70 protected area contained by site 70  
ILES ET BERGES DE LA SEINE DANS L'EURE - FR2302007 Habitats Directive 327 protected area overlaps with site 155  
TERRASSES ALLUVIALES DE LA SEINE - FR2312003 Birds Directive 3,694 protected area overlaps with site 1,156  


IUCN habitat Habitat detail Extent (% of site)
Forest Alluvial and very wet forest; Mixed woodland  -
Shrubland Heathland  -
Wetlands (inland) Rivers and streams; Standing freshwater; Water fringe vegetation  -
Artificial - terrestrial Arable land; Highly improved re-seeded landscapes; Other urban and industrial areas; Ruderal land; Urban parks and gardens  -

Land use

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

Protection status National Low International None70 ha of IBA covered by Private Reserve (70 ha).

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Recommended citation  BirdLife International (2015) Important Bird Areas factsheet: Boucle de Pose et de Muids. Downloaded from on 04/05/2015

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