Duvillaun Islands

IBA Justification

The site was identified as important in 2009 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
Great Black-backed Gull Larus marinus LC breeding 2000 288 individuals B3

The current IUCN Red List category may differ from that which was valid at the time of IBA criteria assessment (2009).

IBA Protection

Protected area (PA) PA designation PA area (ha) Relationship of PA with IBA Overlap of PA with IBA (ha)
West Connacht Coast SAC Site of Community Importance (Habitats Directive) 65,988 protected area is adjacent to site 0
Duvillaun Islands SPA Special Protection Area (Birds Directive) 530 is identical to site 0
Duvillaun Islands SAC Site of Community Importance (Habitats Directive) 530 is identical to site 446


Habitat (IUCN level 1) Habitat detail Extent (% of site)
Grassland Mesophile grasslands -
Marine Neritic -
Marine Coastal/Supratidal -
For more information about the IUCN Habitat classification, please click here.

Land use

Land-use Extent (% of site)
fisheries/aquaculture -
not utilised -

Recommended citation
BirdLife International (2023) Important Bird Area factsheet: Duvillaun Islands. Downloaded from on 02/10/2023.