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 Chordeilinae - nighthawks Genus Lurocalis Cassin, 1851 1 Lurocalis semitorquatus (J.F. Gmelin, 1789) - short-tailed nighthawk 2 Lurocalis rufiventris Taczanowski, 1884 - rufous-bellied nighthawk