Southwest Australia is a biogeographic region in Western Australia. It includes the Mediterranean-climate area of southwestern Australia, which is home to a diverse and distinctive flora and fauna.
Threatened fauna of Australia are those species and subspecies of birds, fish, frogs, insects, mammals, molluscs, crustaceans, and reptiles to be found in Australia that are in danger of becoming extinct. This article lists species classified as threatened species under the Commonwealth Environment Protection and Biodiversity Conservation Act 1999.
The Eyrean grasswren is a small grasswren from the Passerine family Maluridae. This is a cryptically plumaged and uncommon bird endemic to arid regions of Central Australia. The species was discovered by F.W. Andrews in 1874 around the Macumba River at Lake Eyre, and named after the South Australian Surveyor General George Woodroffe Goyder.
The rufous fieldwren also known as the desert wren or sandplain wren is a species of insectivorous bird in the family Acanthizidae, endemic to Australia.
The chestnut quail-thrush is a native Australian bird of the family Cinclosomatidae. These scrub birds are endemic to Australia and found in all states - barring Tasmania. They are relatively uncommon and are isolated to the semi-arid and arid fringes of the Australian interior.
The bristlebirds are a family of passerine birds, Dasyornithidae. There are three species in one genus, Dasyornis. The family is endemic to the south-east coast and south-west corner of Australia. The genus Dasyornis was sometimes placed in the Acanthizidae or, as a subfamily, Dasyornithinae, along with the Acanthizinae and Pardalotinae, within an expanded Pardalotidae, before being elevated to full family level by Christidis & Boles (2008).
The rufous bristlebird is one of three extant species of bristlebirds. It is endemic to Australia where three subspecies have been described from coastal southwestern Western Australia, southeastern South Australia and southwestern Victoria. Its natural habitat is coastal shrublands and heathlands. It is threatened by habitat destruction.
The western bristlebird is a species of bird in the family Dasyornithidae. It is endemic to the coastal heaths of western Australia.
The mallee emu-wren is a species of bird in the Australasian wren family, Maluridae. It is endemic to Australia.
The rufous-crowned emu-wren is a species of bird in the Australasian wren family, Maluridae. It is endemic to Australia.
The western Lewin's rail (Lewinia pectoralis clelandi), also known as Cleland's rail, Lewin's rail (western) or the Lewin water rail, is an extinct and little known subspecies of Lewin's rail that was endemic to Western Australia. There are only four specimens, one in the Australian Museum and three in the British Museum. The subspecific name honours Australian ornithologist John Burton Cleland.
George Masters (1837–1912) was a zoologist, active in Australia during the 19th century.
