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
François Lays years of hardship, during which his need to provide a dowry for his eldest daughter Marie-Cécile forced him further into debt. Quéruel relates that Lays was finally reinstated only on 9 January 1821, but this assertion cannot be accurate because the singer's name often appeared on the theatre bills in the mean time, for example the whole period between July 1819 and June 1820. Whatever the case, in response to his renewed demands for economic support, the administration granted him further leave to perform privately outside Paris. Lays went on a tour of the Low Countries and also put on