IBA Criteria

Year of most recent IBA criteria assessment: 2002

Populations of IBA trigger species
Species Current IUCN Red List Category Season Year(s) of estimate Population estimate IBA Criteria Triggered
Milvus migrans NR breeding 1990-2001 6-11 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)
Grigne Nature Park 14,038 protected area overlaps with site 14,038
Grigne Special Protection Area (Birds Directive) 7,161 protected area overlaps with site 7,161
Grigna Settentrionale Site of Community Importance (Habitats Directive) 1,617 protected area contained by site 1,617
Grigna Meridionale Site of Community Importance (Habitats Directive) 2,732 protected area overlaps with site 2,732


IUCN Habitat Habitat detail Extent (% of site)
Forest Broadleaved deciduous woodland, Mixed woodland -
Shrubland Scrub -
Grassland Steppes and dry calcareous grassland, Alpine, subalpine and boreal grassland -
Wetlands (inland) Rivers and streams -
Caves and Subterranean Habitats (non-aquatic) Caves -
Rocky areas (eg. inland cliffs, mountain peaks) Inland cliffs -
For further information about the habitat classification please click here.

Land use

Land-use Extent (% of site)
tourism/recreation -
urban/industrial/transport -
nature conservation and research -
agriculture -
For further information about the land use classification please click here.

Recommended citation
BirdLife International (2023) Important Bird Areas factsheet: Grigne. Downloaded from on 30/03/2023.