Neornithes Gadow, 1893 - living birds
   Neognathae Pycraft 1900 see Cohort Neognathae Pycraft, 1900
     Neoaves Sibley et al. 1988 see Subcohort Neoaves Sibley et al., 1988
       [Order] Cuculiformes Wagler, 1830 - cuckoos and plantain-eaters
         Family Cuculidae Vigors, 1825 - cuckoos
           Subfamily Cuculinae Vigors, 1825
             Genus Cuculus Linnaeus, 1758
               Cuculus canorus Linnaeus, 1758 - common cuckoo
                 1 Cuculus canorus canorus Linnaeus, 1758
                 2 Cuculus canorus bangsi Oberholser, 1919
                 3 Cuculus canorus subtelephonus Zarudny, 1914
                 4 Cuculus canorus bakeri Hartert, 1912