Flightless bird also included here. 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
The Birds of Australia (Mathews) The Birds of Australia (Mathews) The Birds of Australia is a 12-volume ornithological handbook covering the birds of Australia. It was the second of three monumental illustrated works dealing with the avifauna of the continent and was published midway between the other two, the first being Gould’s identically titled "The Birds of Australia" (1840-1848), and the third the "Handbook of Australian, New Zealand and Antarctic Birds" (1990-2006). It was sponsored and authored by wealthy Australia amateur ornithologist Gregory Mathews, with considerable assistance from his collaborator and private secretary Tom Iredale, and was published by H. F. & G. Witherby of