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 Cuculimorphae Sibley et al., 1988
           Order Cuculiformes Wagler, 1830 - cuckoos and plantain-eaters
             Infraorder Crotophagides see Order Cuculiformes Wagler, 1830
               Parvorder Crotophagida see Order Cuculiformes Wagler, 1830
                 Family Crotophagidae see Subfamily Crotophaginae Swainson, 1837
                   Tribe Crotophagini - anis see Subfamily Crotophaginae Swainson, 1837
                     Genus Crotophaga Linnaeus, 1758
                       Crotophaga major J.F. Gmelin, 1788 - greater ani