Children (22 direct children, 27 direct and indirect children):
Common ostrich
(tree size 5)
Struthio camelus
Somali ostrich
Struthio molybdophanes
Asian ostrich
Struthio asiaticus
Struthio coppensi
Struthio dmanisensis
Struthio linxiaensis
Orientornis
Struthio orlovi
Struthio wimani
Struthio anderssoni
Struthio brachydactylus
Struthio chersonensis
Struthio daberasensis
Struthio kakesiensis
Struthio oldawayi
Struthio karingarabensis
Struthio campestris
Struthio indicus
Struthio australis
Struthio campestroides
Struthio sp.
Struthio massaicus
Struthio casuarius