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 Psittacinae Illiger, 1811 - typical parrots
               Genus Ara Lacépède, 1799
                 Ara ambigua (Bechstein, 1811) - great green macaw see Ara ambiguus (Bechstein, 1811)
                 Ara ararauna (Linnaeus, 1758) - blue-and-yellow macaw
                 Ara auricollis Cassin, 1853 - yellow-collared macaw see Primolius auricollis (Cassin, 1853)
                 Ara chloroptera Gray, 1859 see Ara chloropterus Gray, 1859
                 Ara couloni Sclater, 1876 - blue-headed macaw see Primolius couloni (Sclater, 1876)
                 Ara glaucogularis Dabbene, 1921 - blue-throated macaw
                 Ara macao (Linnaeus, 1758) - scarlet macaw
                 Ara manilata (Boddaert, 1783) - red-bellied macaw see Orthopsittaca manilata (Boddaert, 1783)
                 Ara maracana (Vieillot, 1816) - blue-winged macaw see Primolius maracana (Vieillot, 1816)
                 Ara militaris (Linnaeus, 1766) - military macaw
                 Ara nobilis (Linnaeus, 1758) - red-shouldered macaw see Diopsittaca nobilis (Linnaeus, 1758)
                 Ara rubrogenys Lafresnaye, 1847 - red-fronted macaw
                 Ara severa (Linnaeus, 1758) - chestnut-fronted macaw see Ara severus (Linnaeus, 1758)
                 †Ara tricolor (Bechstein, 1811) - Hispaniolan macaw