Sea Lion Island () is the largest of the Sea Lion Island Group of the

Falkland Islands The Falkland Islands (; ), commonly referred to as The Falklands, is an archipelago in the South Atlantic Ocean on the Patagonian Shelf. The principal islands are about east of South America's southern Patagonian coast and from Cape Dub ...

. It is in area. and lies southeast of

Lafonia Lafonia is a peninsula forming the southern part of East Falkland, the largest of the Falkland Islands. Geography and geology Shaped like the letter "E", it is joined to the northern part of the island by an isthmus that is almost wide. Wer ...

(

East Falkland East Falkland () is the largest island of the Falkland Islands, Falklands in the South Atlantic, having an area of or 54% of the total area of the Falklands. The island consists of two main land masses, of which the more southerly is known as L ...

). It was designated a

Ramsar site A Ramsar site is a wetland site designated to be of international importance under the Ramsar Convention,8 ha (O) *** Permanent 8 ha (P) *** Seasonal Intermittent < 8 ha(Ts) **

East Loafers is the name of the bay on the southern shore. It also has a few ponds, including Beaver and Long Pond. Just to the south is Rum Island, a small seal colony. Other small members of the group are Brandy and Whisky Islands. The geology is mainly

sandstone Sandstone is a Clastic rock#Sedimentary clastic rocks, clastic sedimentary rock composed mainly of grain size, sand-sized (0.0625 to 2 mm) silicate mineral, silicate grains, Cementation (geology), cemented together by another mineral. Sand ...

and

mudstone Mudstone, a type of mudrock, is a fine-grained sedimentary rock whose original constituents were clays or muds. Mudstone is distinguished from ''shale'' by its lack of fissility.Blatt, H., and R.J. Tracy, 1996, ''Petrology.'' New York, New York, ...

, from about 250 million years ago. Some minor fossils have been found.

History

Sea Lion Island is the southernmost inhabited island of the Falkland Islands. Only formerly inhabited Beauchene Island is located further south. Sea Lion Island Settlement is the southernmost settlement of the Falkland Islands. The island has an

airstrip An aerodrome, airfield, or airstrip is a location from which aircraft flight operations take place, regardless of whether they involve air cargo, passengers, or neither, and regardless of whether it is for public or private use. Aerodromes in ...

. Historically, Sea Lion Island was a

sheep farm Sheep farming or sheep husbandry is the raising and breeding of domestic sheep. It is a branch of animal husbandry. Sheep are raised principally for their meat (lamb and mutton), milk (sheep's milk), and fiber (wool). They also yield sheepskin an ...

. When the British ship ''Viscount'' was wrecked in 1892, the wreckage was used to build the farmhouse. The island was managed as a sheep farm for almost all of the 20th century, but in 1997 all but a small flock of sheep was removed. In 1990, the Clifton family who owned the island, sold it to the Falkland Islands Development Corporation (FIDC). They had planted 60,000 stands of tussac grass.Wigglesworth, Angela. (1992) ''Falkland People''. Pub. Peter Owen. Since then, ecotourism has been the only economic activity. In 1986 FIDC constructed the Sea Lion Lodge, with accommodation for 20 guests. It was prefabricated and flown in kit form to the island by

Royal Air Force The Royal Air Force (RAF) is the Air force, air and space force of the United Kingdom, British Overseas Territories and Crown Dependencies. It was formed towards the end of the World War I, First World War on 1 April 1918, on the merger of t ...

helicopters and has proved to be a success. It is used by tourists and, since 1996, scientific researchers. Since 2017 the Lodge and island has been under the lease of Wild Falkland Ltd. There is a memorial to HMS ''Sheffield'' on Bull Hill in the south of the island.

Flora and fauna

Some 56 species of

flowering plant Flowering plants are plants that bear flowers and fruits, and form the clade Angiospermae (). The term angiosperm is derived from the Ancient Greek, Greek words (; 'container, vessel') and (; 'seed'), meaning that the seeds are enclosed with ...

s have been recorded, including the Fuegian violet which, in the Falklands, is found nowhere else. The island is known for its marine mammals, including breeding colonies of southern sea lions and

southern elephant seal The southern elephant seal (''Mirounga leonina'') is one of two species of elephant seals. It is the largest member of the clade Pinnipedia and the order Carnivora, as well as the largest extant marine mammal that is not a cetacean. It gets its ...

s, for which the other islands in the group are haul-out sites.

Killer whale The orca (''Orcinus orca''), or killer whale, is a toothed whale and the largest member of the oceanic dolphin family. The only extant species in the genus '' Orcinus'', it is recognizable by its black-and-white-patterned body. A cosmopolit ...

s are seen offshore. , the Elephant Seal Research Group (ESRG) has been tracking the habits of elephant seals at Sea Lion Island.

Birds

The Sea Lion Islands Group has been identified by

BirdLife International BirdLife International is a global partnership of non-governmental organizations that strives to conserve birds and their habitats. BirdLife International's priorities include preventing extinction of bird species, identifying and safeguarding i ...

as an

Important Bird Area An Important Bird and Biodiversity Area (IBA) is an area identified using an internationally agreed set of criteria as being globally important for the conservation of bird populations. IBA was developed and sites are identified by BirdLife Int ...

. It is a significant breeding site for a variety of

seabird Seabirds (also known as marine birds) are birds that are adaptation, adapted to life within the marine ecosystem, marine environment. While seabirds vary greatly in lifestyle, behaviour and physiology, they often exhibit striking convergent ...

s and other

waterbird A water bird, alternatively waterbird or aquatic bird, is a bird that lives on or around water. In some definitions, the term ''water bird'' is especially applied to birds in freshwater ecosystems, although others make no distinction from seabi ...

s including

Falkland steamer duck The Falkland steamer duck (''Tachyeres brachypterus'') is a species of flightless duck found on the Falkland Islands in the South Atlantic Ocean. The steamer ducks get their name from their unconventional swimming behaviour in which they flap the ...

s, ruddy-headed geese,

gentoo penguin The gentoo penguin ( ) (''Pygoscelis papua'') is a penguin species (or possibly a species complex) in the genus ''Pygoscelis'', most closely related to the Adélie penguin (''P. adeliae'') and the chinstrap penguin (''P. antarcticus''). The earl ...

s (2800 pairs),

southern rockhopper penguin The western rockhopper penguin (''Eudyptes chrysocome''), traditionally known as the southern rockhopper penguin, is a species of rockhopper penguin that is sometimes considered distinct from the northern rockhopper penguin. It occurs in subanta ...

s (480 pairs),

Magellanic penguin The Magellanic penguin (''Spheniscus magellanicus'') is a South American penguin, breeding in coastal Patagonia, including Argentina, Chile, and the Falkland Islands, with some bird migration, migrating to Brazil and Uruguay, where they are occas ...

s, southern giant-petrels (25 pairs) and

sooty shearwater The sooty shearwater (''Ardenna grisea'') is a medium-large shearwater in the seabird family Procellariidae. In New Zealand, it is also known by its Māori language, Māori name , and is harvested by Māori people for muttonbirding, muttonbird, l ...

s. It also supports populations of

striated caracara The striated caracara or Forster's caracara (''Phalcoboenus australis'') is a Near Threatened bird of prey of the family Falconidae, the falcons and caracaras. It is found in Tierra del Fuego and the Falkland Islands.Remsen, J. V., Jr., J. I. Ar ...

s (10 pairs),

blackish cinclodes The blackish cinclodes (''Cinclodes antarcticus'') is a Near Threatened passerine bird in the Furnariinae subfamily of the ovenbird family Furnariidae. It is found on Tierra del Fuego and the Falkland Islands, where it is known as the tussac-b ...

Cobb's wren Cobb's wren (''Troglodytes cobbi'') is a fairly small (12-13.5 cm) wren which is endemic to the Falkland Islands. It was formerly classified as a subspecies of the southern house wren but is now commonly considered to be a separate species d ...

s and

white-bridled finch The white-bridled finch (''Melanodera melanodera''), also known as the canary-winged finch or black-throated finch, is a small passerine bird belonging to the genus '' Melanodera'' together with the yellow-bridled finch (''M. xanthogramma''). Fo ...

es.

References

* Stonehouse, B (ed.) ''Encyclopedia of Antarctica and the Southern Oceans'' (2002, )

External links

Sealionisland.com

Falkland Islands, including Sea Lion island section

Long term study of Sea Lion Island elephant seals

{{Falkland Islands topics, state=collapsed Islands of the Falkland Islands Ramsar sites in dependent territories of the United Kingdom Important Bird Areas of the Falkland Islands Seabird colonies