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 Metallura Gould, 1847
                Count: [s] 9s;6ss
                   1 Metallura williami (DeLattre & Bourcier, 1846) - viridian metaltail
                  Count: 4ss
                   2 Metallura baroni Salvin, 1893 - violet-throated metaltail
                  Count: -
                   3 Metallura odomae Graves, 1980 - Neblina metaltail
                  Count: -
                   4 Metallura theresiae Simon, 1902 - coppery metaltail
                  Count: -
                   5 Metallura eupogon (Cabanis, 1874) - fire-throated metaltail
                  Count: -
                   6 Metallura aeneocauda (Gould, 1846) - scaled metaltail
                  Count: 2ss
                   7 Metallura phoebe (Lesson & DeLattre, 1839) - black metaltail
                  Count: -
                   8 Metallura tyrianthina (Loddiges, 1832) - Tyrian metaltail
                  Count: -
                   9 Metallura iracunda Wetmore, 1946 - Perija metaltail
                  Count: -