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The emu (/ ˈ iː m juː /; Dromaius novaehollandiae) is a species of flightless bird endemic to Australia, where it is the tallest native bird. It is the only extant member of the genus Dromaius and the third-tallest living bird after its African ratite relatives, the common ostrich and Somali ostrich. The emu's native ranges cover most of the ...
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 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 Tasmanian emu had not progressed to the point where it could be considered a distinct species and even its status as a distinct subspecies is not universally accepted, as it agreed with the mainland birds in measurements and the external characters used to distinguish it – a whitish instead of a black foreneck and throat and an unfeathered neck – apparently are also present, albeit ...
The King Island emu was the smallest type of emu and was about 44% or half of the size of the mainland bird. It was about 87 cm (34 in) tall. According to Péron's interview with the local English sealer Daniel Cooper, the largest specimens were up to 137 cm (4.5 ft) in length, and the heaviest weighed 20 to 23 kg (45 to 50 lb).
The IUCN Red List of Threatened Species by the International Union for Conservation of Nature is the best known worldwide conservation status listing and ranking system. . Species are classified by the IUCN Red List into nine groups set through criteria such as rate of decline, population size, area of geographic distribution, and degree of population and distribution fragmenta
Skeletal mount (note damaged skull) Presently, most authorities consider the southern cassowary monotypic, but several subspecies have been described. [3] It has proven very difficult to confirm the validity of these due to individual variations, age-related variations, the relatively few available specimens (and the bright skin of the head and neck – the basis upon which several subspecies ...
The ICUN compiled the “Red List”, evaluating the global conservation status of species based on the threat level. [15] The list separates species into threat levels ranging from least concern to extinct, aiding in directing efforts to mitigate species decline [16] This assessment evaluated factors contributing to species extinction like population size, trends, distributions, and threats.