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Location United Kingdom, Scotland
Central coordinates 0o 51.98' West  60o 46.43' North
IBA criteria C7
Area 467 ha
Altitude 40 - 140m
Year of IBA assessment 2007

Royal Society for the Protection of Birds



Site description The site comprises herb-rich maritime heathland, the Heogs rocks and a number of disused chromite quarries. The site is important for breeding moorland birds.

Populations of IBA trigger species

Species Season Period Population estimate Quality of estimate IBA Criteria IUCN Category
Whimbrel Numenius phaeopus breeding  1994  23 breeding pairs  good  C7  Least Concern 
Parasitic Jaeger Stercorarius parasiticus breeding  2002  34 breeding pairs  good  C7  Least Concern 

Protected areas

Protected area Designation Area (ha) Relationship with IBA Overlap with IBA (ha)  
Crussa Field and The Heogs Site of Special Scientific Interest 474 is identical to site 467  

Habitats

IUCN habitat Habitat detail Extent (% of site)
Shrubland Heathland  90%
Coastline   10%

Land use

Land-use Extent (% of site)
agriculture 100%

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Recommended citation  BirdLife International (2014) Important Bird Areas factsheet: Crussa Field and the Heogs. Downloaded from http://www.birdlife.org on 16/04/2014

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