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The mallee emu-wren is an average 16.5 centimetres (6.5 inches) from head to tail. [8] The adult male mallee emu-wren has olive-brown upperparts with dark streaks, and a pale rufous unstreaked crown, and grey-brown wings. It has a sky blue throat, upper chest, lores, and ear coverts.
The site has been identified by BirdLife International as an Important Bird Area (IBA) because it supports populations of globally threatened malleefowl, black-eared miners and mallee emu-wren, as well as red-lored whistlers, regent parrots and purple-gaped honeyeaters.
Over 200 bird species have been recorded in the park, which is overlapped by the Murray-Sunset, Hattah and Annuello Important Bird Area (IBA), so identified by BirdLife International because it contains mallee habitat supporting a suite of threatened mallee bird, including the malleefowl, black-eared miner and mallee emu-wren. [10]
The common name of the genus is derived from the resemblance of their tails to the feathers of an emu. [2] The genus was defined by French naturalist René Lesson in 1831 after his visit to Port Jackson on the 1823-5 voyage of the Coquille, although the southern emu-wren had already been encountered and described soon after European settlement at Sydney Cove. [3]
The Murray-Sunset National Park is the second largest national park in Victoria, Australia, located in the Mallee district in the northwestern corner of the state, bordering South Australia. The 633,000-hectare (1,560,000-acre) national park is situated approximately 440 kilometres (270 mi) northwest of Melbourne and was proclaimed in 1991. [2]
Billiatt Conservation Park is part of an area of land considered by BirdLife International to be an Important Bird Area because it contains small but globally important populations of malleefowl, mallee emu-wren and purple-gaped honeyeater, as well as the rare western whipbird and red-lored whistler. [20]
The endangered Mallee Emu-wren (Stipiturus mallee), endemic to the Murray-Mallee, relies entirely on the species for hunting, nesting, mating, foraging and breeding and rarely disperses out of the hummocks. [17] Additionally, very high lizard diversity and abundance is associated with T. scariosa. [12] [20]
Southern emu-wren (Eyre Peninsula subspecies), Stipiturus malachurus parimeda Mallee emu-wren , Stipiturus mallee Lord Howe Island currawong , pied currawong (Lord Howe Island subspecies), Strepera graculina crissalis