Marais de Sacy

IBA Criteria

Year of most recent IBA criteria assessment: 2000

Populations of IBA trigger species
Species Current IUCN Red List Category Season Year(s) of estimate Population estimate IBA Criteria Triggered
Eurasian Bittern Botaurus stellaris LC breeding 1991 6-9 breeding pairs C6
Common Little Bittern Ixobrychus minutus LC breeding 1991 8 breeding pairs C6
Bluethroat Luscinia svecica LC breeding 1991 7-10 breeding pairs C6

Note: This table presents the IBA criteria triggered and the species that triggered then at the time of assessment, the current IUCN Red List category may vary from that which was in place at that time.

For more information about the IBA assessment process and criteria please click here

IBA Protection

Protected Area Designation Area (ha) Relationship with IBA Overlap with IBA (ha)
Oise-Pays de France Parc naturel régional 57,493 protected area is adjacent to site 0
Marais de Sacy-le-Grand Site of Community Importance (Habitats Directive) 1,368 protected area contained by site 1,370
Marais de Sacy Ramsar Site, Wetland of International Importance 1,073 protected area contained by site 0


IUCN Habitat Habitat detail Extent (% of site)
Forest Broadleaved deciduous woodland, Alluvial and very wet forest -
Wetlands (inland) Standing brackish and salt water, Raised bogs, Water fringe vegetation, Fens, transition mires and springs -
For further information about the habitat classification please click here.

Land use

Land-use Extent (% of site)
hunting -
urban/industrial/transport -
For further information about the land use classification please click here.

Recommended citation
BirdLife International (2023) Important Bird Areas factsheet: Marais de Sacy. Downloaded from on 21/03/2023.