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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 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.
Commonly known as the Mount Lofty Ranges Southern Emu-wren (MLSREW [13]), it is an endangered species under both the EPBC Act (Cwth) and the National Parks and Wildlife Act 1972 (SA). Its largest population inhabits the swamplands of the lower Finniss River , estimated to be 52–100 individuals, while fewer than 50 have been observed in Deep ...
The eggs are on average 13 cm × 9 cm (5.1 in × 3.5 in) and weigh between 450 and 650 g (1.0 and 1.4 lb). [61] The maternal investment in the egg is considerable, and the proportion of yolk to albumen , at about 50%, is greater than would be predicted for a precocial egg of this size.
The rufous-crowned emu-wren is the smallest and most brightly coloured of the three emu-wren species. [4] The adult male has reddish upperparts with faint streaks, with a prominently rufous crown and grey-brown wings. It has a bright sky blue throat, upper chest, lores and ear coverts.
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.
Two large emus on the loose in South Carolina ruffled the feathers of locals a week after dozens of monkeys escaped from a research facility in the Palmetto State.
Emu Bay shale, a geological formation in Emu Bay; Emu Brewery, a historic site in Perth; Emu Creek (disambiguation), various places in Queensland; Emu Field, South Australia, an atomic weapons test site; Emu Flat, South Australia; Emu Flat, Victoria, a suburb of Melbourne; Emu Heights, New South Wales, a suburb of Sydney