Male ostrich with black plumage patrols fence of his camp, Oudtshoorn

male ostrich ostriches black plumage patrols fence oudtshoorn long neck ratites african animal largest living dinosaur patrolling arid camp ostrich farming struthio camelus struthio fauna fastest birds on land plumage feather industry largest bird on earth nature animals bird feathers south africa wings rsa struthionidae struthioniformes animal africa natural flightless palaeognathae aves species avian big eyes dry area industry western cape farm agriculture business distinctive