UK247
Uists Machairs, Lochs and Coast


IBA Justification

The site was identified as important in 2007 because it was regularly supporting significant populations of the species listed below, meeting ('triggering') IBA criteria.

Populations meeting IBA criteria ('trigger species') at the site:
Species Red List1 Season Year(s) Size IBA criteria
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
Eurasian Oystercatcher Haematopus ostralegus NT 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 NT winter 2001-2006 730 individuals A4i, B1i, C3
Dunlin Calidris alpina NT 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

1. The current IUCN Red List category. The category at the time of the IBA criteria assessment (2007) may differ.


IBA Conservation

Ideally the conservation status of the IBA will have been checked regularly since the site was first identified in 2007. The most recent assessment (2007) is shown below.

IBA conservation assessment
Year of assessment State Pressure Response
2007 very unfavourable medium low
Whole site assessed? State assessed by Accuracy of information
yes population good

State (condition of the trigger species' populations)
Species Reference Actual Units % remaining Result
Whooper Swan Cygnus cygnus 1,010 54 individuals 6 very unfavourable
Greylag Goose Anser anser 300 747 individuals 100 favourable
Spotted Crake Porzana porzana 2 2 males 100 favourable
European Storm-petrel Hydrobates pelagicus 225 0 breeding pairs 0 very unfavourable
Common Ringed Plover Charadrius hiaticula 1,300 719 individuals 56 unfavourable
Bar-tailed Godwit Limosa lapponica 675 1,176 individuals 100 favourable
Ruddy Turnstone Arenaria interpres 850 730 individuals 86 near favourable
Little Tern Sternula albifrons 59 91 breeding pairs 100 favourable

Pressure (threats to the trigger species and/or their habitats)
Threat Timing Scope Severity Result
Natural system modifications happening now some of area/population (10-49%) slow but significant deterioration medium
Agricultural expansion and intensification happening now some of area/population (10-49%) slow but significant deterioration medium

Response (conservation actions taken for the trigger species and/or their habitats)
Protected areas Management plan Other 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

IBA Protection

Year Protected Area Designation % overlap with IBA
1952 Loch Hallan Site of Special Scientific Interest (UK) 2
1958 Loch Druidibeg Site of Special Scientific Interest (UK) 10
1958 Loch Druidibeg National Nature Reserve 10
1964 Machairs Robach and Newton Site of Special Scientific Interest (UK) 4
1966 Balranald Nature Reserve 4
1974 Howmore Estuary, Lochs Roag and Fada Site of Special Scientific Interest (UK) 2
1974 West Benbecula Lochs Site of Special Scientific Interest (UK) <1
1974 Lochs at Clachan Site of Special Scientific Interest (UK) <1
1975 Baleshare and Kirkibost Site of Special Scientific Interest (UK) 9
1975 Loch Bee Site of Special Scientific Interest (UK) 7
1975 Bornish and Ormiclate Machairs Site of Special Scientific Interest (UK) 4
1976 South Uist Machair & Lochs Ramsar Site, Wetland of International Importance 20
1978 Balranald Bog and Loch nam Feithean Site of Special Scientific Interest (UK) 5
1980 South Lewis, Harris and North Uist National Scenic Area 25
1980 South Uist Machair National Scenic Area 13
1989 Loch Bee Machair Site of Special Scientific Interest (UK) 5
1990 Vallay Site of Special Scientific Interest (UK) 2
1992 South Uist Machair and Lochs Special Protection Area (Birds Directive) 31
1992 Kilpheder and Smerclate; South Uist Special Protection Area (Birds Directive) 2
1996 South Uist Machair Site of Community Importance (Habitats Directive) 21
1996 North Uist Machair Site of Community Importance (Habitats Directive) 19
1997 Pabbay Site of Special Scientific Interest (UK) 3
1997 Aird and Borve; Benbecula Special Protection Area (Birds Directive) 2
1999 North Uist Machair and Islands Ramsar Site, Wetland of International Importance 29
1999 Berneray Site of Special Scientific Interest (UK) 4
1999 Boreray Site of Special Scientific Interest (UK) 1
2001 North Uist Machair and Islands Special Protection Area (Birds Directive) 30
2002 Vallay Nature Reserve 1
2011 North Uist Machair and Islands Marine Protected Area (OSPAR) 5
2011 South Uist Machair and Lochs Marine Protected Area (OSPAR) 1

Habitats

Habitat1 Habitat detail % of IBA
Artificial/Terrestrial Highly improved re-seeded landscapes, Arable land major (>10)
Grassland Machair major (>10)
Forest Mixed woodland minor (<10)
Marine Coastal/Supratidal minor (<10)
Marine Neritic minor (<10)
Shrubland Heathland minor (<10)
Wetlands (inland) Standing freshwater, Rivers and streams, Water fringe vegetation minor (<10)
1. IUCN Habitat classification.

Land use

Land use % of IBA
agriculture 100
hunting 100


Recommended citation
BirdLife International (2024) Important Bird Area factsheet: Uists Machairs, Lochs and Coast (United Kingdom). Downloaded from https://datazone.birdlife.org/site/factsheet/uists-machairs-lochs-and-coast-iba-united-kingdom on 23/11/2024.