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 Cuculiformes Wagler, 1830 - cuckoos and plantain-eaters
           Family Cuculidae Vigors, 1825 - cuckoos
             Subfamily Crotophaginae Swainson, 1837
               Genus Crotophaga Linnaeus, 1758
                 Crotophaga ani Linnaeus, 1758 - smooth-billed ani
                 Crotophaga major J.F. Gmelin, 1788 - greater ani
                 Crotophaga sulcirostris Swainson, 1827 - groove-billed ani