Lambay Island

IBA Justification

Year of most recent IBA criteria assessment: 2009

Populations of IBA trigger species
Species Current IUCN Red List Category Season Year(s) of estimate Population at site IBA criteria triggered
European Shag Gulosus aristotelis LC breeding 2004-2009 1,081-1,734 breeding pairs B1i, B3
Great Cormorant Phalacrocorax carbo LC breeding 2004-2009 346-501 breeding pairs B1i, C3
Great Black-backed Gull Larus marinus LC breeding 2004-2007 145-169 breeding pairs B3
Razorbill Alca torda LC breeding 2004-2009 5,685-6,399 individuals B1ii, B3, C3
Common Murre Uria aalge LC breeding 2004-2009 58,207-67,314 individuals B1ii, C3
A4iii Species group - seabirds n/a breeding 2004-2007 50,000-99,999 A4iii, C4

Note: The current IUCN Red List category may differ from the category that was valid at the time of IBA criteria assessment.

For more information about the IBA criteria, please click here

IBA Conservation

IBA conservation status - summary
Year of assessment (most recent) Threat (pressure) Condition (state) Action (response)
2013 very high not assessed low
Was the whole site assessed? yes Condition (state) assessed by unset
Accuracy of information unknown

Threats to the site (pressure)
Threat level 1 Threat level 2 Timing Scope Severity Result
Biological resource use fishing & harvesting aquatic resources - unintentional effects: large scale likely in short term (within 4 years) some of area/population (10-49%) moderate to rapid deterioration medium
Human intrusions and disturbance recreational activities likely in short term (within 4 years) some of area/population (10-49%) slow but significant deterioration medium
Invasive and other problematic species and genes invasive non-native/alien species/diseases - unspecified species happening now whole area/population (>90%) very rapid to severe deterioration very high

Conservation actions taken at the site (response)
Protected-area designation Management planning Other conservation action Result
Whole area of site (>90%) covered by appropriate conservation designation No management planning has taken place Some limited conservation initiatives are in place low
For more information about IBA conservation status, please click here

IBA Protection

Protected area (PA) PA designation PA area (ha) Relationship of PA with IBA Overlap of PA with IBA (ha)
Rockabill to Dalkey Island SAC Site of Community Importance (Habitats Directive) 27,314 protected area overlaps with site 0
Lambay Island SPA Special Protection Area (Birds Directive) 599 protected area contained by site 600
Lambay Island SAC Site of Community Importance (Habitats Directive) 405 protected area overlaps with site 405


IUCN Habitat Habitat detail Extent (% of site)
Forest Mixed woodland -
Shrubland Scrub -
Grassland Mesophile grasslands, Machair -
Artificial/Terrestrial Ruderal land -
Marine Neritic -
Marine Intertidal -
Marine Coastal/Supratidal -
For further information about the IUCN habitat classification, please click here.

Land use

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

Recommended citation
BirdLife International (2023) Important Bird Area factsheet: Lambay Island. Downloaded from on 09/06/2023.