UK247
Uists Machairs, Lochs and Coast


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
Barnacle Goose Branta leucopsis LC winter 1988 1,552 individuals B1i, B2, C2
Greylag Goose Anser anser LC winter 2001-2006 747 individuals B1i, C3
Greylag Goose Anser anser LC breeding 1987-1995 30 breeding pairs B1i, C3
Corncrake Crex crex LC breeding 1995-1997 155 males A1, B2, C1, C6
Spotted Crake Porzana porzana LC breeding 2006 2 males C6
Haematopus ostralegus NR breeding 1995 1,490 breeding pairs B1i, C3
Common Ringed Plover Charadrius hiaticula LC passage 2001-2006 1,063 individuals B1i, C3
Common Ringed Plover Charadrius hiaticula LC winter 2001-2006 719 individuals B1i, C3
Common Ringed Plover Charadrius hiaticula LC breeding 1995 800 breeding pairs B1i, C3
Bar-tailed Godwit Limosa lapponica NT winter 2001-2006 1,176 individuals A4i, B1i, C2
Ruddy Turnstone Arenaria interpres LC winter 2001-2006 730 individuals A4i, B1i, C3
Dunlin Calidris alpina LC breeding 1995 710 breeding pairs B1i, C2, C6
Red-necked Phalarope Phalaropus lobatus LC breeding 1995 2 breeding pairs C6
Common Redshank Tringa totanus LC breeding 1995 1,030 breeding pairs B1i, B2, C3
Little Tern Sternula albifrons LC breeding 1999-2002 91 breeding pairs B2, C6
Arctic Tern Sterna paradisaea LC breeding 1999-2002 756 breeding pairs 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 medium very unfavourable 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 - small dams happening now some of area/population (10-49%) slow but significant deterioration medium

Condition of key/trigger populations (state)
Scientific Common TargetPop ActualPop Units Remaining Result
Cygnus cygnus Whooper Swan 1010 54 individuals 6 very unfavourable
Anser anser Greylag Goose 300 747 individuals 100 favourable
Porzana porzana Spotted Crake 2 2 males 100 favourable
Hydrobates pelagicus European Storm-petrel 225 0 breeding pairs 0 very unfavourable
Charadrius hiaticula Common Ringed Plover 1300 719 individuals 56 unfavourable
Limosa lapponica Bar-tailed Godwit 675 1176 individuals 100 favourable
Arenaria interpres Ruddy Turnstone 850 730 individuals 86 near favourable
Sternula albifrons Little Tern 59 91 breeding pairs 100 favourable

Conservation actions taken at site (response)
Conservation Designation Management Planning Conservation Action Result
Most of site (50-90%) covered (including the most critical parts for important bird species) A management plan exists but it is out of date or not comprehensive Some limited conservation initiatives are in place low
For more information about IBA monitoring please click here

IBA Protection

Protected Area Designation Area (ha) Relationship with IBA Overlap with IBA (ha)
West Benbecula Lochs Site of Special Scientific Interest (UK) 119 protected area overlaps with site 0
Vallay Nature Reserve 246 protected area contained by site 0
Vallay Site of Special Scientific Interest (UK) 306 protected area overlaps with site 0
South Uist Machair and Lochs Special Protection Area (Birds Directive) 5,027 protected area contained by site 5,019
South Uist Machair and Lochs Marine Protected Area (OSPAR) 0 protected area overlaps with site 0
South Uist Machair & Lochs Ramsar Site, Wetland of International Importance 5,019 protected area overlaps with site 3,352
South Uist Machair National Scenic Area 13,312 protected area overlaps with site 0
South Uist Machair Site of Community Importance (Habitats Directive) 3,438 protected area contained by site 3,452
South Lewis, Harris and North Uist National Scenic Area 202,123 protected area overlaps with site 0
Sound Of Barra Site of Community Importance (Habitats Directive) 12,507 protected area is adjacent to site 0
Sound of Barra Marine Protected Area (OSPAR) 12,500 protected area is adjacent to site 0
Pabbay Site of Special Scientific Interest (UK) 553 protected area overlaps with site 0
North Uist Machair and Islands Special Protection Area (Birds Directive) 4,860 protected area contained by site 4,876
North Uist Machair and Islands Ramsar Site, Wetland of International Importance 4,705 protected area overlaps with site 4,705
North Uist Machair and Islands Marine Protected Area (OSPAR) 0 protected area overlaps with site 0
North Uist Machair Site of Community Importance (Habitats Directive) 3,039 protected area contained by site 3,049
Machairs Robach and Newton Site of Special Scientific Interest (UK) 739 protected area overlaps with site 0
Lochs at Clachan Site of Special Scientific Interest (UK) 104 protected area overlaps with site 0
Loch Hallan Site of Special Scientific Interest (UK) 378 protected area overlaps with site 0
Loch Druidibeg National Nature Reserve 1,677 protected area contained by site 1,677
Loch Druidibeg Site of Special Scientific Interest (UK) 1,666 protected area overlaps with site 1,677
Loch Bee Machair Site of Special Scientific Interest (UK) 796 protected area overlaps with site 0
Loch Bee Site of Special Scientific Interest (UK) 1,109 protected area overlaps with site 1,173
Kilpheder and Smerclate; South Uist Special Protection Area (Birds Directive) 380 protected area contained by site 0
Howmore Estuary, Lochs Roag and Fada Site of Special Scientific Interest (UK) 418 protected area overlaps with site 0
Bornish and Ormiclate Machairs Site of Special Scientific Interest (UK) 660 protected area overlaps with site 0
Boreray Site of Special Scientific Interest (UK) 258 protected area overlaps with site 0
Berneray Site of Special Scientific Interest (UK) 669 protected area overlaps with site 0
Balranald Bog and Loch nam Feithean Site of Special Scientific Interest (UK) 820 protected area overlaps with site 0
Balranald Nature Reserve 674 protected area overlaps with site 0
Baleshare and Kirkibost Site of Special Scientific Interest (UK) 1,358 protected area contained by site 1,466
Aird and Borve; Benbecula Special Protection Area (Birds Directive) 359 protected area contained by site 0

Habitats

IUCN Habitat Habitat detail Extent (% of site)
Forest Mixed woodland -
Shrubland Heathland -
Grassland Machair -
Wetlands (inland) Tidal rivers and enclosed tidal waters, Standing freshwater, Rivers and streams, Water fringe vegetation -
Coastline Inland sand dunes -
Artificial/Terrestrial Highly improved re-seeded landscapes, Arable land -
For further information about the habitat classification please click here.

Land use

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


Recommended citation
BirdLife International (2022) Important Bird Areas factsheet: Uists Machairs, Lochs and Coast. Downloaded from http://www.birdlife.org on 06/10/2022.