Neornithes Gadow, 1893 - living birds
Count: [s] 23o;193f;2136g;9595s;8ss; ‡1f;26g;131s
   Neornithes Gadow, 1893 - living birds
  Count: [s] 23o;193f;2136g;9595s;8ss; ‡1f;26g;131s
     Neognathae Pycraft 1900 see Cohort Neognathae Pycraft, 1900
    Count: [s] 23o;187f;2121g;9539s; ‡1f;26g;128s
       Neognathae Pycraft 1900 see Cohort Neognathae Pycraft, 1900
      Count: [s] 23o;187f;2121g;9539s; ‡1f;26g;128s
         Neoaves Sibley et al. 1988 see Subcohort Neoaves Sibley et al., 1988
        Count: [*] 21o;179f;1992g;9095s; ‡1f;23g;120s
           Neoaves Sibley et al. 1988 see Subcohort Neoaves Sibley et al., 1988
          Count: [*] 21o;179f;1992g;9095s; ‡1f;23g;120s
             Psittacidae Illiger, 1811 - cockatoos and parrots
            Count: [*†*] 83g;352s;566ss; ‡2g;12s;8ss [31 Jan 2019]
               Cacatuinae del Hoyo et al., 2014 see Family Cacatuidae Gray, 1840
              Count: [*] 6g;21s;35ss [19 Jan 2019]
                 Cacatua Vieillot, 1817
                Count: [*] 12s;17ss [19 Jan 2019]
                   Cacatua sanguinea Gould, 1843 - little cockatoo
                  Count: [*] 5ss [19 Jan 2019]
                     Cacatua sanguinea sanguinea Gould, 1843
                    Count: -