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 Passerimorphae Sibley et al., 1988
        Count: -
           Order Ciconiiformes Bonaparte, 1854
          Count: -
             Suborder Ciconii see Suborder Ciconiae Bonaparte, 1854
            Count: [s] 18f;169g;652s;135ss; ‡5s;1ss
               Infraorder Falconides Sharpe, 1874
              Count: -
                 1 Parvorder Accipitrida see Superfamily Accipitroidea Vieillot, 1816
                Count: [s] 2f;67g;239s;64ss
                 2 Parvorder Falconida see Superfamily Falconoidea Vigors, 1824
                Count: [s] 1f;10g;62s;2ss; ‡1s