email a friend
printable version
Location France, Basse-Normandie
Central coordinates 1o 34.00' West  49o 0.00' North
IBA criteria B1i, C3
Area 5,150 ha
Year of IBA assessment 2000

Ligue Pour La Protection des Oiseaux

Site description An area of open sea and an estuary with mudflats, saltmarshes and sandy beaches. Agriculture and cattle-raising are the main human activities.

Key Biodiversity This is an important site for wintering seabirds and waders.

Populations of IBA trigger species

Species Season Period Population estimate Quality of estimate IBA Criteria IUCN Category
Brent Goose Branta bernicla winter  1991  250-750 individuals  B1i, C3  Least Concern 

Protected areas

Protected area Designation Area (ha) Relationship with IBA Overlap with IBA (ha)  
Chausey - FR2500079 Habitats Directive 82,943 protected area overlaps with site 947  
Chausey - FR2510037 Birds Directive 82,426 protected area overlaps with site 946  
Havre de la Sienne - FR2512003 Birds Directive 2,167 protected area overlaps with site 1,917  
LITTORAL OUEST DU COTENTIN DE BREHAL A PIROU - FR2500080 Habitats Directive 3,336 protected area overlaps with site 1,936  


IUCN habitat Habitat detail Extent (% of site)
Wetlands (inland) Tidal rivers and enclosed tidal waters  -
Sea Open Sea  -
Coastline Mud flats & sand flats; Salt marshes; Sand dunes & beaches  -

Land use

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

Protection status National None International None

Contribute  Please click here to help BirdLife conserve the world's birds - your data for this IBA and others are vital for helping protect the environment.

Recommended citation  BirdLife International (2015) Important Bird Areas factsheet: Havre de la Sienne. Downloaded from on 28/04/2015

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