Class Aves Linnaeus, 1758 - birds see Subclass Aves Linnaeus, 1758
   Subclass Neornithes Gadow, 1893 see Clade Neornithes Gadow, 1893
     Infraclass Neoaves Sibley et al., 1988 see Subcohort Neoaves Sibley et al., 1988
       Parvclass Passerae see Superorder Passerimorphae Sibley et al., 1988
         Superorder Psittacimorphae Huxley, 1867
           Order Psittaciformes Wagler, 1830 - parrots
             Family Psittacidae Illiger, 1811 - cockatoos and parrots
               Genus Cacatua Vieillot, 1817
                 01 Cacatua leadbeateri (Vigors, 1831) - pink cockatoo
                 02 Cacatua sulphurea (Gmelin, 1788) - yellow-crested cockatoo
                 03 Cacatua galerita (Latham, 1790) - sulphur-crested cockatoo
                 04 Cacatua ophthalmica Sclater, 1864 - blue-eyed cockatoo
                 05 Cacatua moluccensis (Gmelin, 1788) - salmon-crested cockatoo
                 06 Cacatua alba (Statius Müller, 1776) - white cockatoo
                 07 Cacatua haematuropygia (Statius Müller, 1776) - Philippine cockatoo
                 08 Cacatua goffini (Finsch, 1863) - Tanimbar cockatoo
                 09 Cacatua sanguinea Gould, 1843 - little cockatoo
                 10 Cacatua pastinator (Gould, 1841) - western corella
                 11 Cacatua tenuirostris (Kuhl, 1820) - long-billed corella
                 12 Cacatua ducorpsii Pucheran, 1853 - Ducorps's cockatoo