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 Park which is managed by the Government of South Australia. The marine park includes an ecosystem representative of the bioregion known as the "Spencer Gulf Shelf Province", a "key ecological feature" consisting of a feature known as the "Kangaroo Island Pool" and the associated "Eyre Peninsula upwelling" both notable for their "high productivity, breeding and feeding aggregations", a calving area for southern right whale and feeding areas for both the Australian sea lion and the great white shark. The marine park is classified as an IUCN Category VI protected area. Southern Kangaroo Island Marine Park Southern Kangaroo Island Marine Park