Class Aves Linnaeus, 1758 - birds see Subclass Aves Linnaeus, 1758
   Subclass Neornithes Gadow, 1893 see Clade Neornithes Gadow, 1893
     Infraclass Neoaves Sibley et al., 1988 see Subcohort Neoaves Sibley et al., 1988
       Parvclass Passerae see Superorder Passerimorphae Sibley et al., 1988
         Superorder Strigimorphae see Superorder Falconimorphae Seebohm, 1890
           Order Strigiformes Wagler, 1830 - owls
             Suborder Caprimulgi Ridgway, 1881 - goatsuckers
               Infraorder Caprimulgides see Suborder Caprimulgi Ridgway, 1881
                 Parvorder Caprimulgida see Suborder Caprimulgi Ridgway, 1881
                   Superfamily Caprimulgoidea see Suborder Caprimulgi Ridgway, 1881
                     Family Caprimulgidae Vigors, 1825 - nightjars
                       Subfamily Caprimulginae Vigors, 1825 - nightjars
                         Genus Caprimulgus Linnaeus, 1758
                           01 Caprimulgus carolinensis J.F. Gmelin, 1789 - chuck-will's-widow
                           02 Caprimulgus rufus Boddaert, 1783 - rufous nightjar
                           03 Caprimulgus cubanensis (Lawrence, 1860) - Greater Antillean nightjar
                           04 Caprimulgus salvini E. Hartert, 1892 - tawny-collared nightjar
                           05 Caprimulgus badius (Bangs & Peck, 1908) - Yucatan nightjar
                           06 Caprimulgus sericocaudatus (Cassin, 1849) - silky-tailed nightjar
                           07 Caprimulgus ridgwayi (Nelson, 1897) - buff-collared nightjar
                           08 Caprimulgus vociferus A. Wilson, 1812 - whip-poor-will
                           09 Caprimulgus noctitherus (Wetmore, 1919) - Puerto Rican nightjar
                           10 Caprimulgus saturatus (Salvin, 1870) - dusky nightjar
                           11 Caprimulgus longirostris Bonaparte, 1825 - band-winged nightjar
                           12 Caprimulgus cayennensis J.F. Gmelin, 1789 - white-tailed nightjar
                           13 Caprimulgus candicans (Pelzeln, 1867) - white-winged nightjar
                           14 Caprimulgus maculicaudus (Lawrence, 1862) - spot-tailed nightjar
                           15 Caprimulgus parvulus Gould, 1837 - little nightjar
                           16 Caprimulgus anthonyi (Chapman, 1923) - scrub nightjar
                           17 Caprimulgus maculosus (Todd, 1920) - Cayenne nightjar
                           18 Caprimulgus nigrescens Cabanis, 1848 - blackish nightjar
                           19 Caprimulgus whitelyi (Salvin, 1885) - Roraiman nightjar
                           20 Caprimulgus hirundinaceus Spix, 1825 - pygmy nightjar
                           21 Caprimulgus binotatus Bonaparte, 1850 - brown nightjar see Veles binotatus (Bonaparte, 1850)
                           22 Caprimulgus ruficollis Temminck, 1820 - red-necked nightjar
                           23 Caprimulgus indicus Latham, 1790 - grey nightjar
                           24 Caprimulgus europaeus Linnaeus, 1758 - Eurasian nightjar
                           25 Caprimulgus fraenatus Salvadori, 1884 - sombre nightjar
                           26 Caprimulgus rufigena A. Smith, 1845 - rufous-cheeked nightjar
                           27 Caprimulgus aegyptius M.H.K. Lichtenstein, 1823 - Egyptian nightjar
                           28 Caprimulgus mahrattensis Sykes, 1832 - Sykes's nightjar
                           29 Caprimulgus centralasicus Vaurie, 1960 - Vaurie's nightjar
                           30 Caprimulgus nubicus M.H.K. Lichtenstein, 1823 - Nubian nightjar
                           31 Caprimulgus eximius Temminck, 1826 - golden nightjar
                           32 Caprimulgus madagascariensis Sganzin, 1840 - Madagascar nightjar
                           33 Caprimulgus macrurus Horsfield, 1821 - large-tailed nightjar
                           34 Caprimulgus atripennis Jerdon, 1845 - Jerdon's nightjar
                           35 Caprimulgus manillensis Walden, 1875 - Philippine nightjar
                           36 Caprimulgus celebensis Ogilvie-Grant, 1894 - Sulawesi nightjar
                           37 Caprimulgus donaldsoni Sharpe, 1895 - Donaldson-Smith's nightjar
                           38 Caprimulgus nigriscapularis Reichenow, 1893 - black-shouldered nightjar
                           39 Caprimulgus pectoralis Cuvier, 1816 - fiery-necked nightjar
                           40 Caprimulgus prigoginei Louette, 1990 - Itombwe nightjar
                           41 Caprimulgus poliocephalus Rüppell, 1840 - montane nightjar
                           42 Caprimulgus ruwenzorii Ogilvie-Grant, 1908 - Ruwenzori nightjar
                           43 Caprimulgus asiaticus Latham, 1790 - Indian nightjar
                           44 Caprimulgus natalensis A. Smith, 1845 - swamp nightjar
                           45 Caprimulgus inornatus Heuglin, 1869 - plain nightjar
                           46 Caprimulgus stellatus Blundell & Lovat, 1899 - star-spotted nightjar
                           47 Caprimulgus affinis Horsfield, 1821 - savanna nightjar
                           48 Caprimulgus tristigma Rüppell, 1840 - freckled nightjar
                           49 Caprimulgus concretus Bonaparte, 1850 - Bonaparte's nightjar
                           50 Caprimulgus pulchellus Salvadori, 1879 - Salvadori's nightjar
                           51 Caprimulgus enarratus G.R. Gray, 1871 - collared nightjar
                           52 Caprimulgus batesi Sharpe, 1906 - Bates's nightjar
                           53 Caprimulgus climacurus Vieillot, 1824 - long-tailed nightjar
                           54 Caprimulgus clarus Reichenow, 1892 - slender-tailed nightjar
                           55 Caprimulgus fossii Hartlaub, 1857 - square-tailed nightjar