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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 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).
Bird anatomy, or the physiological structure of birds' bodies, shows many unique adaptations, mostly aiding flight.Birds have a light skeletal system and light but powerful musculature which, along with circulatory and respiratory systems capable of very high metabolic rates and oxygen supply, permit the bird to fly.
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The Kangaroo Island emu or dwarf emu [2] (Dromaius novaehollandiae baudinianus) is an extinct subspecies of emu. It was restricted to Kangaroo Island, South Australia, which was known as Ile Decrés by the members of the Baudin expedition. It differed from the mainland emu mainly in its smaller size. The species became extinct by about 1827.
This is an accepted version of this page This is the latest accepted revision, reviewed on 18 February 2025. Extinct order of birds This article is about the extinct New Zealand birds known as moa. For other uses, see Moa (disambiguation). Moa Temporal range: Miocene – Holocene, 17–0.0006 Ma PreꞒ Ꞓ O S D C P T J K Pg N North Island giant moa skeleton Scientific classification Domain ...
A marsupial lion skeleton in the Naracoorte Caves, South Australia. The term Australian megafauna refers to the megafauna in Australia [1] during the Pleistocene Epoch.Most of these species became extinct during the latter half of the Pleistocene, and the roles of human and climatic factors in their extinction are contested.
[15] [16] The flightless ostrich and emu have pneumatic femurs, and so far this is the only known pneumatic bone in these birds [17] except for the ostrich's cervical vertebrae. [13] Fusions (leading to rigidity) and pneumatic bones (leading to reduced mass) are some of the many adaptations of birds for flight. [1] [7]