Buckingham Bay is a large, rectangular bay on the northern coast of

Arnhem Land Arnhem Land is a historical region of the Northern Territory of Australia. It is located in the north-eastern corner of the territory and is around from the territorial capital, Darwin, Northern Territory, Darwin. In 1623, Dutch East India Compa ...

, in the

Northern Territory The Northern Territory (abbreviated as NT; known formally as the Northern Territory of Australia and informally as the Territory) is an states and territories of Australia, Australian internal territory in the central and central-northern regi ...

Australia Australia, officially the Commonwealth of Australia, is a country comprising mainland Australia, the mainland of the Australia (continent), Australian continent, the island of Tasmania and list of islands of Australia, numerous smaller isl ...

. It lies 520 km east of Darwin and 120 km west of

Nhulunbuy Nhulunbuy () is a town and locality in the far north of the Northern Territory of Australia. Founded on the Gove Peninsula in north-east Arnhem Land when a bauxite mine and deep water port were established in the late 1960s, the town's econ ...

Description

The bay is about 40 km long and 16 km wide. It is aligned from south-west where the

Buckingham River Buckingham River is a river in the Northern Territory of Australia. The headwaters of the river are on the northern edge on the eastern side of the Mitchell Ranges near where the Central Arnhem Road crosses the Range. The river flows in a nort ...

enters, to north-east where it opens into the

Arafura Sea The Arafura Sea (or Arafuru Sea) lies west of the Pacific Ocean, overlying the continental shelf between Australia and Western New Guinea (also called Papua), which is the Indonesian part of the Island of New Guinea. Geography The Arafura Sea is ...

. It is largely bordered by intertidal

mudflat Mudflats or mud flats, also known as tidal flats or, in Ireland, slob or slobs, are coastal wetlands that form in intertidal areas where sediments have been deposited by tides or rivers. A global analysis published in 2019 suggested that tidal ...

s, with patches of

mangrove A mangrove is a shrub or tree that grows mainly in coastal saline water, saline or brackish water. Mangroves grow in an equatorial climate, typically along coastlines and tidal rivers. They have particular adaptations to take in extra oxygen a ...

s along the lower reaches of the Buckingham River. The saline flats back on to a seasonally inundated

floodplain A floodplain or flood plain or bottomlands is an area of land adjacent to a river. Floodplains stretch from the banks of a river channel to the base of the enclosing valley, and experience flooding during periods of high Discharge (hydrolog ...

. There are scattered patches of dry coastal vine thicket along the margins of the floodplain. The bay and adjoining plains are held by the Arnhem Land Aboriginal Land Trust as Aboriginal

freehold Freehold may refer to: In real estate *Freehold (law), the tenure of property in fee simple * Customary freehold, a form of feudal tenure of land in England *Parson's freehold, where a Church of England rector or vicar of holds title to benefice ...

land. The nearest communities are Galiwin'ku on

Elcho Island Elcho Island, known to its traditional owners as Galiwin'ku (Galiwinku) is an island off the coast of Arnhem Land, in the Northern Territory of Australia. It is located at the southern end of the Wessel Islands group located in the East Arnhe ...

15 km to the north-west, and

Gapuwiyak Gapuwiyak, also known as Lake Evella, is an Aboriginal Australian community located in north-eastern Arnhem Land, Northern Territory, south of the head of Buckingham Bay and about the same distance south-west of Arnhem Bay. The settlement had a ...

some 25 km to the south.Sites of Conservation Significance: Buckingham Bay.

Birds

The bay's intertidal mudflats and seasonally flooded coastal plains have been classified 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 ...

(IBA). The area covered by the IBA is 32,642 ha.Birdata. The bay is especially significant for the migratory

wader 245px, A flock of Red_knot.html" ;"title="Dunlins and Red knot">Dunlins and Red knots Waders or shorebirds are birds of the order Charadriiformes commonly found wikt:wade#Etymology 1, wading along shorelines and mudflats in order to foraging, ...

s, or shorebirds, that breed in northern Asia and Alaska during the northern summer and spend the non-breeding season in Australia. Up to about 20,000 wades have been recorded on the bay's mud and saline flats. Species for which count data indicate the site's global significance include

black-tailed godwit The black-tailed godwit (''Limosa limosa'') is a large, long-legged, long-billed shorebird first described by Carl Linnaeus in 1758. It is a member of the godwit genus, '' Limosa''. There are four subspecies, all with orange head, neck and ches ...

(6000), eastern curlew (700), and

great knot __NOTOC__ The great knot (''Calidris tenuirostris'') is a small wader. It is the largest species of the genus ''Calidris''. They are a migratory bird which breeds in Siberia, Russia, and flies to southern Asia and Australia in the northern winte ...

(5000). Up to 8500

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 have been recorded using the bay, with numbers of

pied heron The pied heron (''Egretta picata''), also known as the pied egret is a bird found in coastal and subcoastal areas of monsoonal northern Australia as well as some parts of Wallacea and New Guinea. Taxonomy The species was originally described by ...

s being globally significant. A waterbird breeding colony in the mangroves near the mouth of the Buckingham River contained 5500 birds in 1999, predominantly pied herons and

intermediate egret The medium egret (''Ardea intermedia''), median egret, smaller egret or intermediate egret, is a medium-sized heron. Some taxonomists put the species in the genus ''Egretta'' or ''Mesophoyx''. It is a resident breeder in southern and eastern As ...

s. Other birds for which the site is significant are

brolga The brolga (''Antigone rubicunda''), formerly known as the native companion, is a bird in the crane (bird), crane family. It has also been given the name Australian crane, a term coined in 1865 by well-known ornithology, ornithologist John Gou ...

s and

magpie geese The magpie goose (''Anseranas semipalmata'') is the sole living representative species of the family Anseranatidae. This common waterbird is found in northern Australia and southern New Guinea. As the species is prone to wandering, especially wh ...

Other animals

Introduced

water buffalo The water buffalo (''Bubalus bubalis''), also called domestic water buffalo, Asian water buffalo and Asiatic water buffalo, is a large bovid originating in the Indian subcontinent and Southeast Asia. Today, it is also kept in Italy, the Balkans ...

s and

feral pig A feral pig is a domestic pig The pig (''Sus domesticus''), also called swine (: swine) or hog, is an omnivorous, domesticated, even-toed, hoofed mammal. It is named the domestic pig when distinguishing it from other members of the g ...

s threaten the wetlands.

References

Notes

Sources

* * Arnhem Land Bays of the Northern Territory Important Bird Areas of the Northern Territory {{NorthernTerritory-geo-stub