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Threats to their survival include egg predation by other animals (especially invasive species), roadkills and habitat fragmentation. The emu is an important cultural icon of Australia, appearing on the coat of arms and various coinages. The bird features prominently in Indigenous Australian mythologies.
English: . Base map : NASA Shuttle Radar Topography Mission (SRTM30 v.2) (public domain) Edited with dlgv32 Pro (version 8.01), free limited version of Global Mapper, software from the United States Geological Survey (USGS)
The southern emu-wren (Stipiturus malachurus) is a species of bird in the Australasian wren family, Maluridae. It is endemic to Australia. Its natural habitats are temperate forests , and Mediterranean-type shrubby vegetation, and swamplands .
The following species and subspecies are recognized: Dromaius novaehollandiae, emu, remains common in most of the more lightly settled parts of mainland Australia.Overall population varies from decade to decade according to rainfall; as low as 200,000 and as high as 1,000,000, but a typical figure is about half a million individuals.
The King Island emu was the smallest of all known emus and had darker plumage than the mainland emu. It was black and brown and had naked blue skin on the neck, and its chicks were striped like those on the mainland.
The mallee emu-wren is restricted to open mallee woodland with spinifex understory in north-western Victoria and south-eastern South Australia. This region is rich in Triodia or as it is commonly known spinifex. The spinifex grass often grows to 1 metre (3 feet 3 inches) in height and provides the optimal habitat for the mallee emu-wren. [9]
Rothschild's emu (Dromaius novaehollandiae rothschildi) is a subspecies of the emu that is native to parts of southern Australia, primarily within the states of Western Australia, South Australia, Victoria, and New South Wales, although it may have occasionally wandered into other nearby states.
Some Australian fossils initially believed to be from emus were recognized to represent a distinct genus, Emuarius, [a] which had a cassowary-like skull and femur and an emu-like lower leg and foot. In addition, the first fossils of mihirungs were initially believed to be from giant emus, [b] but these birds were completely unrelated.