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
Birds (advertisement) compositing video of the birds in their harnesses with video of the gliders in flight. Birds (advertisement) "Birds" is an award-winning television commercial for the Washington Lottery; it won a Silver Lion at the 2009 Cannes Lions International Advertising Festival, and "Best in Show" at the 2009 National ADDY Awards. "SHOOT" magazine placed it on their Top 10 list for Summer 2008. First broadcast in June 2008, it depicts three flightless birds—a penguin, a chicken, and an emu—being taken hang-gliding (the chicken and the penguin are shown wearing harnesses strapped to the chest of the glider pilots; the emu's harness