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
European Nightjar Caprimulgus europaeus LC breeding 1991 10-100 breeding pairs C6
Common Crane Grus grus LC winter 1997 14,493 individuals A4i, B1i, C2
Short-toed Snake-eagle Circaetus gallicus LC breeding 1991 1-10 breeding pairs C6
Red-backed Shrike Lanius collurio LC breeding 1991 10-100 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)
Site d'Arjuzanx Special Protection Area (Birds Directive) 2,128 protected area contained by site 2,128
Réseau hydrographique des affluents de la Midouze Site of Community Importance (Habitats Directive) 4,914 protected area is adjacent to site 0
FRN030 Hunting Reserve 2,430 protected area contained by site 2,430
Arjuzanx Réserve nationale de chasse et de faune sauvage 2,071 protected area overlaps with site 0


IUCN Habitat Habitat detail Extent (% of site)
Forest Native coniferous woodland -
Grassland Dry siliceous grassland -
Wetlands (inland) Standing freshwater, Raised bogs -
Artificial/Terrestrial Highly improved re-seeded landscapes, Other urban and industrial areas, Ruderal land -
For further information about the habitat classification please click here.

Land use

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

Recommended citation
BirdLife International (2022) Important Bird Areas factsheet: Arjuzanx. Downloaded from on 03/12/2022.