africa ancient greek animal animal rights antelope arabian ostrich arabian peninsula asian ostrich beak beef binomial nomenclature biogeography biological classification bird bustard cp nel museum camel cape province cape of good hope cassowary china chordate conservation status cunene dietary indiscretion dmanisi down feather east africa egg yolk egypt elephant bird emu ennedi plateau eocene ethiopia fashion feather feather duster finland flightless bird gallbladder gastrolith genus giant ostrich gizzard grazing great rift valley haplotype hat highgate ostrich show farm hoof iucn red list incubation international union for conservation of nature iraq johannesburg kenya kiwi least concern leather libya life span lion locust mauritania middle east miles per hour miocene miombo morocco new zealand nicholas aylward vigors nomad north africa offal online etymology dictionary ostrich feather dusters oudtshoorn palaeotis paleontology petroglyph racing ratite roman empire safari show farm sahara sahel savanna senegal sexual maturity society of vertebrate paleontology somalia south africa southern africa sparrow sternum struthio coppensi struthio linxiaensis struthio orlovi struthio wimani subspecies sudan sweden syria systema naturae tagant plateau tanzania trace fossil classification venatio wikimedia commons wikisource wiktionary world war i zambezi zebra zliten