IBA Justification

The site was identified as important in 2002 because it was regularly supporting significant populations of the species listed below, meeting ('triggering') IBA criteria.

Populations meeting IBA criteria ('trigger species'):
Species Current IUCN Red List Category Season Year(s) Population estimate at site IBA criteria met
Black Kite Milvus migrans LC breeding 1990-2001 6-11 breeding pairs C6

The current IUCN Red List category may differ from that which was valid at the time of IBA criteria assessment (2002).

IBA Protection

Protected area (PA) PA designation PA area (ha) Relationship of PA with IBA Overlap of PA with IBA (ha)
Grigne Special Protection Area (Birds Directive) 7,161 protected area overlaps with site 7,161
Grigne Nature Park 14,038 protected area overlaps with site 14,038
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


Habitat (IUCN level 1) 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 more information about the IUCN Habitat classification, please click here.

Land use

Land-use Extent (% of site)
tourism/recreation -
urban/industrial/transport -
nature conservation and research -
agriculture -

Recommended citation
BirdLife International (2024) Important Bird Area factsheet: Grigne. Downloaded from on 22/02/2024.