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
Southern Kangaroo Island Marine Park (state waters) by the Southern Kangaroo Island Marine Park which is a marine protected area managed by the Australian government, on its southern side at the limits of state waters. As of 2016, the marine park has been classified under the IUCN system of protected area categories with the “restricted access zone” being Category Ia, the “sanctuary zone” being IUCN Category II and the “habitat protection zones” being IUCN Category IV. Southern Kangaroo Island Marine Park (state waters) Southern Kangaroo Island Marine Park is a marine protected area in the Australian state of South Australia located in state coastal waters adjoining both