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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 


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

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Recommended citation  BirdLife International (2016) Important Bird and Biodiversity Area factsheet: Havre de la Sienne. Downloaded from on 22/10/2016

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