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] Apodiformes Peters, 1940 - swifts
         Family Apodidae Hartert, 1897 - swifts
           Subfamily Apodinae Hartert, 1897 - true swifts
             Genus Apus Scopoli, 1777 - house swift
               Apus pacificus (Latham, 1802) - fork-tailed swift
                 1 Apus pacificus leuconyx (Blyth, 1845)
                 2 Apus pacificus kanoi (Yamashina, 1942)
                 3 Apus pacificus pacificus (Latham, 1801)
                 4 Apus pacificus cooki (Harington, 1913)