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
                         Cuculus poliocephalus Latham, 1790 - lesser cuckoo