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
Handbook to the Birds of Australia Handbook to the Birds of Australia The Handbook to the Birds of Australia is a two-volume work published in London in 1865 by the author John Gould. It was published in octavo format (250 x 170 mm), containing some 1290 pages, bound in green cloth with gilt lyrebirds on the front covers and with decorated gilt spines. The two volumes are separately paginated and include no illustrations It is essentially a revision and update of the text originally published with Gould’s monumental illustrated folio The Birds of Australia, which was published in seven volumes between 1840 and 1848. The author