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Location United Kingdom, Northern Ireland
Central coordinates 6o 21.14' West  55o 14.92' North
IBA criteria C7
Area 3 ha
Altitude 0 - 30m
Year of IBA assessment 2007

Royal Society for the Protection of Birds

Site description An exposed marine island with steep cliffs and rocky shores, important for breeding seabirds.

Populations of IBA trigger species

Species Season Period Population estimate Quality of estimate IBA Criteria IUCN Category
Great Cormorant Phalacrocorax carbo breeding  1988  370 breeding pairs  good  C7  Least Concern 

IBA Monitoring

2007 medium near favourable medium
Good - based on reliable and complete / representative data

Invasive & other problematic species, genes & diseases invasive non-native/alien species/diseases - named species happening now some of area/population (10-49%) slow but significant deterioration medium

Phalacrocorax carbo Great Cormorant 370 270 breeding pairs 73 near favourable

Whole area of site (>90%) covered by appropriate conservation designation  A management plan exists but it is out of date or not comprehensive  Some limited conservation initiatives are in place  medium 

Protected areas

Protected area Designation Area (ha) Relationship with IBA Overlap with IBA (ha)  
Causeway Coast Area of Outstanding Natural Beauty 0 protected area contains site 3  
Sheep Island Area of Special Scientific Interest 4 is identical to site 3  


IUCN habitat Habitat detail Extent (% of site)
Coastline Sea cliffs and rocky shores  100%

Land use

Land-use Extent (% of site)
nature conservation and research -

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Recommended citation  BirdLife International (2016) Important Bird and Biodiversity Area factsheet: Sheep Island. Downloaded from on 24/10/2016

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