Sea Cow Island, also known as Île Vache Marine, is a round 18 ha island on the

Great Chagos Bank The Great Chagos Bank, in the Chagos Archipelago, about south of Maldives, is the largest atoll structure in the world, with a total area of . Islands Despite its enormous size, the Great Chagos Bank is largely a submarine structure. Ther ...

atoll An atoll () is a ring-shaped island, including a coral rim that encircles a lagoon. There may be coral islands or cays on the rim. Atolls are located in warm tropical or subtropical parts of the oceans and seas where corals can develop. Most ...

of the

Chagos Archipelago The Chagos Archipelago (, ) or Chagos Islands (formerly , and later the Oil Islands) is a group of seven atolls comprising more than 60 islands in the Indian Ocean about south of the Maldives archipelago. This chain of islands is the southernmo ...

in the

British Indian Ocean Territory The British Indian Ocean Territory (BIOT) is an British Overseas Territories, Overseas Territory of the United Kingdom situated in the Indian Ocean, halfway between Tanzania and Indonesia. The territory comprises the seven atolls of the Chago ...

History

It was named after the

dugong The dugong (; ''Dugong dugon'') is a marine mammal. It is one of four living species of the order Sirenia, which also includes three species of manatees. It is the only living representative of the once-diverse family Dugongidae; its closest ...

s that were once abundant in the area, although they have since become regionally extinct. It is the smaller of the two islands in the

Eagle Islands Eagle Islands is a group of two islands in the Chagos Archipelago. They are located on the central-western rim of the Great Chagos Bank, which is the world's largest coral atoll structure. Islands With a land area of 2.45 km, Île Aigle is t ...

group on the western side of the atoll and forms part of the Chagos Archipelago

strict nature reserve A strict nature reserve (IUCN category Ia) or wilderness area (IUCN category Ib) is the highest category of protected area recognised by the World Commission on Protected Areas (WCPA), a body which is part of the International Union for ...

. It has been identified 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 ...

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 ...

because of its significance as a breeding site for brown noddies, of which 11,500 pairs were recorded in a 2004 survey. The whole shore of this island and some of the interior can be explored throug
Google Street View

References

Important Bird Areas of the British Indian Ocean Territory Seabird colonies Chagos Archipelago Nature reserves {{BritishIndianOcean-geo-stub