Flightless bird Flightless bird Flightless birds are birds that through evolution lost the ability to fly. There are over 60 extant species including the well known ratites (ostrich, emu, cassowary, rhea and kiwi) and penguins. The smallest flightless bird is the Inaccessible Island rail (length 12.5 cm, weight 34.7 g). The largest (both heaviest and tallest) flightless bird, which is also the largest living bird, is the ostrich (2.7 m, 156 kg). Ostriches are farmed for their decorative feathers, meat and their skins, which are used to make leather. Many domesticated birds, such as the domestic chicken and domestic duck, have lost
Emu Field, South Australia Emu Field, South Australia Emu Field is located in the desert of South Australia, at (ground zero Totem 1 test). Variously known as Emu Field, Emu Junction or Emu, it was the site of the Operation Totem pair of nuclear tests conducted by the British government in October 1953. The site was surveyed by Len Beadell in 1952. A village and airstrip were constructed for the subsequent testing program. Two British atomic tests were conducted at the site. "Totem 1" was detonated on 15 October 1953 and "Totem 2" was detonated on 27 October 1953. The devices were both sited