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] Caprimulgiformes Ridgway, 1881 - nightjars
         Family Caprimulgidae Vigors, 1825 - nightjars
           Subfamily Caprimulginae Vigors, 1825 - nightjars
             Genus Caprimulgus Linnaeus, 1758
               Caprimulgus indicus Latham, 1790 - grey nightjar
                 1 Caprimulgus indicus jotaka Temminck & Schlegel, 1845
                 2 Caprimulgus indicus hazarae Whistler & Kinnear, 1935
                 3 Caprimulgus indicus indicus Latham, 1790
                 4 Caprimulgus indicus kelaarti Blyth, 1851
                 5 Caprimulgus indicus phalaena Hartlaub & Finsch, 1872