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 Cuculiformes Wagler, 1830 - cuckoos and plantain-eaters
                   Family Cuculidae Vigors, 1825 - cuckoos
                     Subfamily Cuculinae Vigors, 1825
                       Genus Cuculus Linnaeus, 1758
                         1 Cuculus solitarius Stephens, 1815 - red-chested cuckoo
                         2 Cuculus cafer A. Lichtenstein, 1897 see Cuculus clamosus Latham, 1802
                         3 Cuculus micropterus Gould, 1837[1838] - Indian cuckoo
                         4 Cuculus canorus Linnaeus, 1758 - common cuckoo
                         5 Cuculus saturatus Blyth, 1843 - Oriental cuckoo
                         6 Cuculus poliocephalus Latham, 1790 - lesser cuckoo
                         7 Cuculus pallidus (Latham, 1802) - pallid cuckoo