Higginson Island is a small island in the Arafura Sea

Arafura Sea

The Arafura Sea lies west of the Pacific Ocean overlying the continental shelf between Australia and New Guinea.-Geography:The Arafura Sea is bordered by Torres Strait and through that the Coral Sea to the east, the Gulf of Carpentaria to the south, the Timor Sea to the west and the Banda and Ceram...

 lying off the north-eastern coast of Arnhem Land

Arnhem Land

The Arnhem Land Region is one of the five regions of the Northern Territory of Australia. It is located in the north-eastern corner of the territory and is around 500 km from the territory capital Darwin. The region has an area of 97,000 km² which also covers the area of Kakadu National...

, in the Northern Territory

Northern Territory

The Northern Territory is a federal territory of Australia, occupying much of the centre of the mainland continent, as well as the central northern regions...

 of Australia

Australia

Australia , officially the Commonwealth of Australia, is a country in the Southern Hemisphere comprising the mainland of the Australian continent, the island of Tasmania, and numerous smaller islands in the Indian and Pacific Oceans. It is the world's sixth-largest country by total area...

. It is one of the East Bremer Islets, lying to the north and east of the much larger Bremer Island

Bremer Island

Bremer Island, or Dhambaliya in the local language is an island in the Arafura Sea, in the northwest of the Gulf of Carpentaria, 3.4 km off the northeast corner of Arnhem Land , Northern Territory, Australia.- History :...

.

Birds

The island has been identified by BirdLife International

BirdLife International

BirdLife International is a global Partnership of conservation organisations that strives to conserve birds, their habitats and global biodiversity, working with people towards sustainability in the use of natural resources...

 as an Important Bird Area

Important Bird Area

An Important Bird Area is an area recognized as being globally important habitat for the conservation of bird populations. Currently there are about 10,000 IBAs worldwide. The program was developed and sites are identified by BirdLife International...

 (IBA) because it supports globally significant numbers of Bridled

Bridled Tern

The Bridled Tern is a seabird of the tern family Sternidae. It is a bird of the tropical oceans.-Description:...

 (up to 10,000 individuals) and Roseate Tern

Roseate Tern

The Roseate Tern is a seabird of the tern family Sternidae. This bird has a number of geographical races, differing mainly in bill colour and minor plumage details....

s (up to 30,000). The 9 ha IBA includes the other East Bremer Islets where the Roseate Tern colony sometimes relocates, and where large numbers of Bridled Terns nest regularly. There are also up to 10,000 nesting Crested Terns and up to 300 nesting Common Noddies, for which the IBA is the only known breeding site in the Northern Territory, as well as some nesting Silver Gull

Silver Gull

The Silver Gull also known simply as "seagull" in Australia, is the most common gull seen in Australia. It has been found throughout the continent, but particularly coastal areas. The South African Hartlaub's Gull and the New Zealand Red-billed Gull The Silver Gull (Chroicocephalus...

s. Tern eggs are frequently harvested by the Aboriginal

Indigenous Australians

Indigenous Australians are the original inhabitants of the Australian continent and nearby islands. The Aboriginal Indigenous Australians migrated from the Indian continent around 75,000 to 100,000 years ago....

traditional owners of the islands.