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
White-whiskered puffbird White-whiskered puffbird The white-whiskered puffbird ("Malacoptila panamensis") is a resident breeding bird species from southeastern Mexico to central Ecuador. It is sometimes known as the white-whiskered softwing. This puffbird is found in forests, shady plantations, especially of Theobroma cacao, and old second growth in lowlands and foothills up to 1200m. It nests in a long, diameter burrow in, usually, gently sloping ground. The wider nesting chamber is lined with dried leaves. The female lays two, rarely three, glossy white eggs. Both sexes incubate the eggs and feed the young. The white-whiskered puffbird is a stout, large-headed, long bird which weighs