Class Aves Linnaeus, 1758 - birds see Subclass Aves Linnaeus, 1758
   Subclass Neornithes Gadow, 1893 see Clade Neornithes Gadow, 1893
     Infraclass Neoaves Sibley et al., 1988 see Subcohort Neoaves Sibley et al., 1988
       Parvclass Passerae see Superorder Passerimorphae Sibley et al., 1988
         Superorder Passerimorphae Sibley et al., 1988
           Order Ciconiiformes Bonaparte, 1854
             Suborder Ciconii see Suborder Ciconiae Bonaparte, 1854
               Infraorder Falconides Sharpe, 1874
                 Parvorder Accipitrida see Superfamily Accipitroidea Vieillot, 1816
                   Family Accipitridae Vieillot, 1816 - secretary bird, osprey, kites, hawks and eagles
                     Subfamily Accipitrinae Vieillot, 1816 - hawks, eagles
                       Genus Aquila Brisson, 1760
                         01 Aquila pomarina Brehm, 1831 - lesser spotted eagle
                         02 Aquila clanga Pallas, 1811 - greater spotted eagle
                         03 Aquila rapax (Temminck, 1828) - tawny eagle
                         04 Aquila nipalensis Hodgson, 1833 - steppe eagle
                         05 Aquila adalberti Brehm, 1861 - Adalbert's eagle
                         06 Aquila heliaca Savigny, 1809 - imperial eagle
                         07 Aquila gurneyi Gray, 1861 - Gurney's eagle
                         08 Aquila chrysaetos (Linnaeus, 1758) - golden eagle
                         09 Aquila audax (Latham, 1802) - wedge-tailed eagle
                         10 Aquila verreauxii Lesson, 1830 - Verreaux's eagle
                         11 Aquila wahlbergi Sundevall, 1850 - Wahlberg's eagle see Hieraaetus wahlbergi (Sundevall, 1850)