Bedout Island
Encyclopedia
Bedout Island is a small 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...

n island in the eastern Indian Ocean
Indian Ocean
The Indian Ocean is the third largest of the world's oceanic divisions, covering approximately 20% of the water on the Earth's surface. It is bounded on the north by the Indian Subcontinent and Arabian Peninsula ; on the west by eastern Africa; on the east by Indochina, the Sunda Islands, and...

. It lies 42 km offshore from Larrey Point and the mouth of the De Grey River
De Grey River
The De Grey River is a river located in the Pilbara region of Western Australia.The river rises South of Callawa at the confluence of the Oakover and the Nullagine rivers and flows in a west north westerly direction eventually discharging into the Indian Ocean via Breaker Inlet about 80 km North...

, and 96 km north-east of Port Hedland, on the Pilbara coast of north-west Western Australia
Western Australia
Western Australia is a state of Australia, occupying the entire western third of the Australian continent. It is bounded by the Indian Ocean to the north and west, the Great Australian Bight and Indian Ocean to the south, the Northern Territory to the north-east and South Australia to the south-east...

.

Description

Bedout is a low and undulating, 31 ha sandy cay
Cay
A cay , also spelled caye or key, is a small, low-elevation, sandy island formed on the surface of coral reefs. Cays occur in tropical environments throughout the Pacific, Atlantic and Indian Oceans , where they provide habitable and agricultural land for hundreds of thousands of people...

 on limestone
Limestone
Limestone is a sedimentary rock composed largely of the minerals calcite and aragonite, which are different crystal forms of calcium carbonate . Many limestones are composed from skeletal fragments of marine organisms such as coral or foraminifera....

 bedrock, heavily vegetated with Beach Spinifex
Spinifex longifolius
Spinifex longifolius, commonly known as Beach Spinifex, is a perennial grass that grows along the northern and eastern rim of the Indian Ocean.-Description:It grows as a tussock from 30 centimetres to a metre high, and up to two metres wide...

. It has an arid climate
Desert climate
A desert climate , also known as an arid climate, is a climate that does not meet the criteria to be classified as a polar climate, and in which precipitation is too low to sustain any vegetation at all, or at most a very scanty scrub.An area that features this climate usually experiences less than...

, an annual average rainfall of 300 mm, and experiences occasional tropical cyclone
Tropical cyclone
A tropical cyclone is a storm system characterized by a large low-pressure center and numerous thunderstorms that produce strong winds and heavy rain. Tropical cyclones strengthen when water evaporated from the ocean is released as the saturated air rises, resulting in condensation of water vapor...

s. There is a navigational beacon in the centre of the island. There are three listed shipwreck
Shipwreck
A shipwreck is what remains of a ship that has wrecked, either sunk or beached. Whatever the cause, a sunken ship or a wrecked ship is a physical example of the event: this explains why the two concepts are often overlapping in English....

s in the surrounding waters, all of vessels wrecked between 1890 and 1912. At some time in the past Black Rat
Black Rat
The black rat is a common long-tailed rodent of the genus Rattus in the subfamily Murinae . The species originated in tropical Asia and spread through the Near East in Roman times before reaching Europe by the 1st century and spreading with Europeans across the world.-Taxonomy:The black rat was...

s were inadvertently introduced, probably by visiting pearling
Pearl hunting
Pearl hunting or pearl diving refers to a largely obsolete method of retrieving pearls from pearl oysters, freshwater pearl mussels and, on rare occasions, other nacre-producing molluscs, such as abalone.-History:...

 vessels in the late 19th century, but were eradicated in 1991.

Status

The island is an A-class nature reserve
Nature reserve
A nature reserve is a protected area of importance for wildlife, flora, fauna or features of geological or other special interest, which is reserved and managed for conservation and to provide special opportunities for study or research...

, managed by the Department of Environment and Conservation. It is part of the Western Australian Coastal Islands (Dixon Island to Cape Keraudren) site which is listed on Australia’s Register of the National Estate
Register of the National Estate
The Register of the National Estate is a listing of natural and cultural heritage places in Australia. The listing was initially compiled between 1976 and 2003 by the Australian Heritage Commission. The register is now maintained by the Australian Heritage Council...

. It is also classified 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...

 because of its seabird breeding colonies.

Birds

The island supports over 1,000 nesting pairs of Brown Boobies
Brown Booby
The Brown Booby is a large seabird of the booby family, Sulidae. The adult brown booby reaches about in length. Its head and upper body are covered in dark brown, with the remainder being a contrasting white. The juvenile form is gray-brown with darkening on the head, wings and tail...

, making it one of the largest colonies in Western Australia. There are also over 1,000 nesting pairs each of Common Noddies and Crested Terns, 500-1,000 Lesser Frigatebird
Lesser Frigatebird
The Lesser Frigatebird, Fregata ariel, is a species of frigatebird.It nests in Australia, among other locations.There is a single record from the Western Palearctic, from Eilat in the Gulf of Aqaba....

s, 100-500 Masked Boobies
Masked Booby
The Masked Booby, Sula dactylatra, is a large seabird of the booby family, Sulidae. This species breeds on islands in tropical oceans, except in the eastern Atlantic; in the eastern Pacific it is replaced by the Nazca Booby, Sula granti, which was formerly regarded as a subspecies of Masked Booby...

, as well as Lesser Crested
Lesser Crested Tern
The Lesser Crested Tern is a seabird of the tern family Sternidae...

, Roseate
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....

 and Sooty Tern
Sooty Tern
The Sooty Tern, Onychoprion fuscatus , is a seabird of the tern family . It is a bird of the tropical oceans, breeding on islands throughout the equatorial zone. Colloquially, it is known as the Wideawake Tern or just wideawake...

s, 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 and White-bellied Sea eagle
White-bellied Sea Eagle
The White-bellied Sea Eagle , also known as the White-breasted Sea Eagle, is a large diurnal bird of prey in the family Accipitridae. Originally described by Johann Friedrich Gmelin in 1788, it is closely related to Sanford's Sea Eagle of the Solomon Islands, and the two are considered a superspecies...

s. Many of these do not breed elsewhere in the Pilbara. The main breeding season comprises the winter months from May to September.
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