The Northern Swan Coastal Plain Important Bird Area comprises a 2307 km² tract of land in south-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...

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Description

The 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) stretches from the city of Perth

Perth, Western Australia

Perth is the capital and largest city of the Australian state of Western Australia and the fourth most populous city in Australia. The Perth metropolitan area has an estimated population of almost 1,700,000....

 northwards along the coast to the town of Guilderton

Guilderton, Western Australia

Guilderton is a small coastal town north of Perth, Western Australia at the mouth of the Moore River in the Shire of Gingin.It was originally known as Gabbadah, an Aboriginal term meaning "mouthful of water" until its gazetting as a town in 1951...

, extending inland for about 40 km, thereby including much of the Swan Coastal Plain

Swan Coastal Plain

The Swan Coastal Plain in Western Australia is the geographic feature which contains the Swan River as it travels west to the Indian Ocean. The coastal plain continues well beyond the boundaries of the Swan River and its tributaries, as a geological and biological zone, one of Western Australia's...

 north of the Swan River

Swan River (Western Australia)

The Swan River estuary flows through the city of Perth, in the south west of Western Australia. Its lower reaches are relatively wide and deep, with few constrictions, while the upper reaches are usually quite narrow and shallow....

. It is bounded by the Moore River

Moore River

Moore River in Western Australia can refer to a number of places:*Moore River - the river itself*Moore River National Park - national park that the river runs through...

 in the north and the Darling Scarp

Darling Scarp

The Darling Scarp, also referred to as the Darling Range or Darling Ranges, is a low escarpment running north-south to the east of the Swan Coastal Plain and Perth, Western Australia...

 in the east. It includes all native vegetation remnants greater than one hectare in area on private land, water catchment

Drainage basin

A drainage basin is an extent or an area of land where surface water from rain and melting snow or ice converges to a single point, usually the exit of the basin, where the waters join another waterbody, such as a river, lake, reservoir, estuary, wetland, sea, or ocean...

s, state forest

State forest

A state forest is a forest that is administered or protected by some agency of a sovereign state.The precise application of the term varies by jurisdiction...

s and 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...

s, including the Yanchep

Yanchep National Park

Yanchep is a national park in Western Australia , north of Perth. The park is noted for its caves, native bush and koala colonies. It also offers cultural educational programmes offered in partnership with the local Nyoongar aboriginal people....

 and Neerabup National Park

Neerabup National Park

Neerabup National Park is a national park in the City of Wanneroo in Western Australia, situated approximately north of Perth.The park is found to the west of Wanneroo Road and is a long thin strip of bushland that is about in length...

s. The area has a Mediterranean climate

Mediterranean climate

A Mediterranean climate is the climate typical of most of the lands in the Mediterranean Basin, and is a particular variety of subtropical climate...

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Birds

The site 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 IBA because it supports 4600-15,000 Short-billed Black Cockatoos during their the non-breeding season, with a small number of breeding birds, forming the largest population of non-breeding birds in Australia. The IBA also supports small populations of Western Corella

Western Corella

The Western Corella formerly known as the Western Long-billed Corella, is a species of white cockatoo endemic to south-western Western Australia.-Taxonomy:...

s, Red-capped Parrot

Red-capped Parrot

The Red-capped Parrot , also called the Pileated Parakeet , and King Parrot locally in Western Australia, is an Australian species of broad-tailed parrot related to the Rosellas.First described by German naturalist Heinrich Kuhl in 1820, from a collection in Albany,...

s, Western Rosella

Western Rosella

The Western Rosella Platycercus icterotis, less commonly known as the Stanley Rosella, Earl of Derby's parakeet or Yellow-cheeked parakeet, is the smallest species of rosella and is found in the South West of Australia. in Eucalypt forests and timbered areas. These are smallish parrots measuring ...

s, Western Spinebill

Western Spinebill

The Western Spinebill, Acanthorhynchus superciliosus, is a honeyeater found in the heath and woodland of south-western Western Australia. It ranges between long, and weighs around . It has a black head, gray back and wings, with a red band behind its neck and from its throat to its breast. There...

s and Western Thornbill

Western Thornbill

The Western Thornbill is a species of bird in the Pardalotidae family.It is endemic to Australia.Its natural habitat is Mediterranean-type shrubby vegetation....

s. Regent Parrot

Regent Parrot

The Regent Parrot is a bird of the parrot family . It has predominantly yellow plumage with a green tail. The bird is found primarily in eucalyptus groves and other wooded areas of subtropical southwestern Australia, as well as to a smaller area of subtropical and temperate southeastern Australia...

s, White-breasted

White-breasted Robin

The White-breasted Robin is a species of bird in the Petroicidae family. It is endemic to the southwest of Western Australia. Unlike many other Australian robins, it lacks bright colours in its plumage, being a predominantly greyish bird with white underparts. Like many other Australian passerines...

 and Western Yellow Robin

Western Yellow Robin

The Western Yellow Robin is a species of bird in the Petroicidae family. It is endemic to Australia, and sometimes known overseas as the Grey-breasted Robin....

s, and Red-eared Firetail

Red-eared Firetail

The Red-eared Firetail is a species of estrildid finch found in the forests and coastal thickets of south-western Australia. It has an estimated global extent of occurrence of 20,000 - 50,000 km². The status of the species is evaluated as Least Concern.-References:...

s have been occasionally recorded.