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Location United Kingdom, Scotland
Central coordinates 6o 31.16' West  58o 21.65' North
IBA criteria A1, B2, C1, C6
Area 2,313 ha
Altitude 0 - 50m
Year of IBA assessment 2007

Royal Society for the Protection of Birds

Site description Area of agricultural land on the north-west coast of the Isle of Lewis. The IBA is important for Crex crex, breeding waders and other upland species.

Populations of IBA trigger species

Species Season Period Population estimate Quality of estimate IBA Criteria IUCN Category
Corncrake Crex crex breeding  2003  49 breeding pairs  good  A1, B2, C1, C6  Least Concern 

IBA Monitoring

2007 very high favourable low
Good - based on reliable and complete / representative data

Agriculture and aquaculture livestock farming and ranching (includes forest grazing) - small-holder grazing, ranching or farming happening now some of area/population (10-49%) slow but significant deterioration medium
Natural system modifications dams & water management/use - abstraction of ground water (unknown use) happening now some of area/population (10-49%) slow but significant deterioration medium
Natural system modifications other ecosystem modifications happening now whole area/population (>90%) very rapid to severe deterioration very high
Residential and commercial development housing and urban areas likely in short term (within 4 years) small area/few individuals (<10%) slow but significant deterioration low

Crex crex Corncrake 43 49 breeding pairs 100 favourable

Some of site covered (10-49%)  No management plan exists but the management planning process has begun  Substantive conservation measures are being implemented but these are not comprehensive and are limited by resources and capacity  low 


IUCN habitat Habitat detail Extent (% of site)
Forest   -
Shrubland Heathland  10%
Grassland   80%
Wetlands (inland) Rivers and streams  -
Artificial - terrestrial Arable land  5%

Land use

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

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Recommended citation  BirdLife International (2016) Important Bird and Biodiversity Area factsheet: West Coast, Lewis (Corncrake). Downloaded from on 21/10/2016

To provide new information to update this factsheet or to correct any errors, please email BirdLife