Phylum Chordata Bateson, 1885 - chordates
   Class Aves Linnaeus, 1758 - birds see Subclass Aves Linnaeus, 1758
     Subclass Neornithes Gadow, 1893 see Clade Neornithes Gadow, 1893
       Superorder Neognathae Pycraft, 1900 see Cohort Neognathae Pycraft, 1900
         Order Psittaciformes Wagler, 1830 - parrots
           Family Psittacidae Illiger, 1811 - cockatoos and parrots
             Subfamily Cacatuinae del Hoyo et al., 2014 see Family Cacatuidae Gray, 1840
               Genus Cacatua Vieillot, 1817
                 Cacatua alba (Statius Müller, 1776) - white cockatoo
                 Cacatua ducorps see Cacatua ducorpsii Pucheran, 1853
                 Cacatua galerita (Latham, 1790) - sulphur-crested cockatoo
                 Cacatua goffini (Finsch, 1863) - Tanimbar cockatoo
                 Cacatua haematuropygia (Statius Müller, 1776) - Philippine cockatoo
                 Cacatua leadbeateri (Vigors, 1831) - pink cockatoo
                 Cacatua moluccensis (Gmelin, 1788) - salmon-crested cockatoo
                 Cacatua ophthalmica Sclater, 1864 - blue-eyed cockatoo
                 Cacatua sanguinea Gould, 1843 - little cockatoo
                 Cacatua sulphurea (Gmelin, 1788) - yellow-crested cockatoo
                 Cacatua tenuirostris (Kuhl, 1820) - long-billed corella