Neornithes Gadow, 1893 - living birds
Count: [s] 23o;193f;2136g;9595s;8ss; ‡1f;26g;131s
   Neornithes Gadow, 1893 - living birds
  Count: [s] 23o;193f;2136g;9595s;8ss; ‡1f;26g;131s
     Neognathae Pycraft 1900 see Cohort Neognathae Pycraft, 1900
    Count: [s] 23o;187f;2121g;9539s; ‡1f;26g;128s
       Neognathae Pycraft 1900 see Cohort Neognathae Pycraft, 1900
      Count: [s] 23o;187f;2121g;9539s; ‡1f;26g;128s
         Neoaves Sibley et al. 1988 see Subcohort Neoaves Sibley et al., 1988
        Count: [*] 21o;179f;1992g;9095s; ‡1f;23g;120s
           Neoaves Sibley et al. 1988 see Subcohort Neoaves Sibley et al., 1988
          Count: [*] 21o;179f;1992g;9095s; ‡1f;23g;120s
             [Order] Caprimulgiformes Ridgway, 1881 - nightjars
            Count: [*†*] 5f;22g;115s;231ss; ‡3s [26 Oct 2021]
               [Order] Caprimulgiformes Ridgway, 1881 - nightjars
              Count: [*†*] 5f;22g;115s;231ss; ‡3s
                 Family Nyctibiidae Chenu & Des Murs, 1851 [monotypic] - potoos
                Count: [*] 1g;7s;12ss [26 Oct 2021]
                   Genus Nyctibius Vieillot, 1816
                  Count: [*] 7s;12ss [26 Oct 2021]
                     Nyctibius griseus (J.F. Gmelin, 1789) - grey potoo
                    Count: [*] 2ss [26 Oct 2021]
                       1 Nyctibius griseus panamensis Ridgway, 1912
                      Count: -
                       2 Nyctibius griseus griseus (Gmelin, 1789) - grey potoo
                      Count: -