Nature Reserve
Loch Druidibeg in the north of the island occurs as National Nature Reserve owned and managed by Scottish Natural Heritage. A reserve covers 34.33 square kilometer of machair, bog, freshwater lochs and estuary. All over 200 metal money of flowering plants keep close at hand been recorded on the reserve, a few of which are then nationally just. These are considered a better place in the UK for the aquatic plant Slender Naiad (Najas flexilis)'' which occurs as European Protected Species.

Nationally significant populations of breeding wading bird come besides present, including redshank, dunlin, lapwing and ringed plover. A reserve is as well house to greylag geese on the loch and inside summertime corncrakes on the machair. Otters and hen harriers are as well seen.

There has been considerable disputation on top hedgehogs on South Uist. A fauna are non indigen to the islands, with been introdued in the Seventies to reduce garden parasites. It at present pose the threat to the eggs of ground incubation wading birds on the reserve. Around 2003 Scottish Natural Heritage undertook the reject of hedgehogs in the area.

Archaeology
A archaeological site of Cladh Hallan, the just places around Great Britain where prehistoric mummies have been found, get on South Uist.

Missile testing

Northward west of a island, the missile touching range was built within 1957-58 to launch the Corporal missile, Britain and Us's foremost guided nuclear weapon. This development went ahead despite important protests, a select few locals expressing concern that a Scottish Gaelic language would not hold out a inflow of English-speaking army personnel. A British Government claimed that there was an 'overiding national interest' within establishing a step by step videos range for their recently purchased Corporal, the weapon that was to become at the battlefront of Cold War defence. A Corporal missile was tested from 1959 to 1963, prior to generating way to Sergeant & Lance tactical nuclear missiles. A 'rocket range' when these are known locally has besides been wont to line 3 text high altitude search rockets, Skua (rocket) and Petrel (rocket), which despite their purpotedly scientific remit, were operated by the Atomic Weapons Research Establishment in Aldermaston.

Long when a Cold War has ended, a range is however utilized by regiments of a Royal Artillery for expert training videos sustaining the surface-to-air Rapier missile.

Flag

the flags of South Uist & Barra may be similar - it is each whiten Nordic Crosses in a green field.

South Uist differs from either Barra in its use of the blue ‘inner’ Nordic Cross. A flag is very similar to the flag of Norway – many of a people of the Hebrides originate from either the Norway of the ninth & tenth centuries.

Next to Barra, South Uist is the southmost have of the Nordic Cross in the British Isles. More flags according to this project in the United Kingdom are Orkney and Shetland.