Kingdom [Animalia] Linnaeus, 1758 - animals
   Subkingdom Metazoa Haeckel, 1874 see Kingdom Animalia Linnaeus, 1758
     Division Eumetazoa Butschli, 1910 see Subkingdom Eumetazoa Butschli, 1910
       Subdivision Bilateralia
         Phylum Chordata Bateson, 1885 - chordates
           Subphylum Vertebrata Cuvier, 1812 - vertebrates
             Class Aves Linnaeus, 1758 - birds see Subclass Aves Linnaeus, 1758
               Subclass Neornithes Gadow, 1893 see Clade Neornithes Gadow, 1893
                 Order Psittaciformes Wagler, 1830 - parrots
                   Family Psittacidae Illiger, 1811 - cockatoos and parrots
                     Subfamily Psittacinae Illiger, 1811 - typical parrots
                       Tribe Araini Gray, 1840 see Tribe Arini Gray, 1840
                         Genus Ara Lacépède, 1799
                           1 Ara severa (Linnaeus, 1758) - chestnut-fronted macaw see Ara severus (Linnaeus, 1758)
                           2 ‡Ara tricolor (Bechstein, 1811) - Hispaniolan macaw
                           3 Ara macao (Linnaeus, 1758) - scarlet macaw
                           4 Ara chloroptera Gray, 1859 see Ara chloropterus Gray, 1859
                           5 Ara militaris (Linnaeus, 1766) - military macaw
                           6 Ara ararauna (Linnaeus, 1758) - blue-and-yellow macaw