UK264
West Coast, Lewis (Corncrake)


IBA Criteria

Year of most recent IBA criteria assessment: 2007

Populations of IBA trigger species
Species Current IUCN Red List Category Season Year(s) of estimate Population estimate IBA Criteria Triggered
Corncrake Crex crex LC breeding 2003 49 breeding pairs A1, B2, C1, C6

Note: This table presents the IBA criteria triggered and the species that triggered then at the time of assessment, the current IUCN Red List category may vary from that which was in place at that time.

For more information about the IBA assessment process and criteria please click here


IBA Monitoring

Most recent IBA monitoring assessment
Year of assessment Threat score (pressure) Condition score (state) Action score (response)
2007 very high favourable low
Was the whole site covered? Yes State assessed by Population
Accuracy of information good

Threats to the site (pressure)
Threat Level 1 Threat Level 2 Timing Scope Severity Result
Agricultural expansion and intensification 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

Condition of key/trigger populations (state)
Scientific Common TargetPop ActualPop Units Remaining Result
Crex crex Corncrake 43 49 breeding pairs 100 favourable

Conservation actions taken at site (response)
Conservation Designation Management Planning Conservation Action Result
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
For more information about IBA monitoring please click here

IBA Protection

Protected Area Designation Area (ha) Relationship with IBA Overlap with IBA (ha)
Port of Ness Site of Special Scientific Interest (UK) 5 protected area overlaps with site 0
Ness and Barvas; Lewis Special Protection Area (Birds Directive) 648 protected area contained by site 649
Loch Stiapavat Site of Special Scientific Interest (UK) 35 protected area contained by site 0
Loch Stiapabhat Local Nature Reserve 15 protected area contained by site 0
Loch Na Muilne Nature Reserve 36 protected area overlaps with site 0

Habitats

IUCN Habitat Habitat detail Extent (% of site)
Forest -
Shrubland Heathland -
Grassland -
Wetlands (inland) Rivers and streams -
Artificial/Terrestrial Arable land -
For further information about the habitat classification please click here.

Land use

Land-use Extent (% of site)
agriculture -
For further information about the land use classification please click here.


Recommended citation
BirdLife International (2022) Important Bird Areas factsheet: West Coast, Lewis (Corncrake). Downloaded from http://www.birdlife.org on 10/08/2022.