Class Aves Linnaeus, 1758 - birds see Subclass Aves Linnaeus, 1758
Count: [s] 23o;144f;2043g;9628s;2127ss; ‡1f;21g;74s;12ss
   Subclass Neornithes Gadow, 1893 see Clade Neornithes Gadow, 1893
  Count: [s] 23o;144f;2043g;9628s;2127ss; ‡1f;21g;74s;12ss
     Infraclass Neoaves Sibley et al., 1988 see Subcohort Neoaves Sibley et al., 1988
    Count: [s] 21o;139f;2029g;9571s;2115ss; ‡1f;21g;74s;12ss
       Parvclass Passerae see Superorder Passerimorphae Sibley et al., 1988
      Count: [s] 10o;106f;1787g;8445s;1871ss; ‡1f;18g;69s;9ss
         Superorder Apodimorphae see Order Apodiformes Peters, 1940
        Count: [s] 2o;3f;127g;424s;113ss; ‡1s
           Order Trochiliformes Wagler - hummingbirds see Suborder Apodi Peters, 1940
          Count: [s] 1f;108g;321s;92ss; ‡1s
             Family Trochilidae Vigors, 1825 - hummingbirds
            Count: -
               Subfamily Trochilinae Jardine, 1833 - typical hummingbirds
              Count: [s] 104g;292s;77ss; ‡1s
                 Genus Cynanthus Swainson, 1827
                Count: [s] 2s;2ss
                   1 Cynanthus sordidus (Gould, 1859) - dusky hummingbird
                  Count: -
                   2 Cynanthus latirostris Swainson, 1827 - broad-billed hummingbird
                  Count: 2ss