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 Passeriformes Linnaeus, 1758
             Suborder Passeri see Suborder Passeres (C. Linnaeus, 1758) C. Linnaeus, 1766
               Parvorder Passerida (C. Linnaeus, 1758) Sibley et al., 1988
                 Superfamily Passeroidea
                   Family Passeridae Rafinesque, 1815 - sparrows, snowfinches and allies
                     Subfamily Estrildinae
                       Tribe Estrildini see Family Estrildidae Bonaparte, 1850
                         Genus Estrilda Swainson, 1827
                           01 Estrilda caerulescens (Vieillot, 1817) - lavender waxbill
                           02 Estrilda perreini (Vieillot, 1817)
                           03 Estrilda thomensis Sousa, 1888
                           04 Estrilda quartinia Bonaparte, 1850
                           05 Estrilda melanotis (Temminck, 1823)
                           06 Estrilda poliopareia Reichenow, 1902
                           07 Estrilda paludicola Heuglin, 1863
                           08 Estrilda ochrogaster Salvadori, 1897 see Estrilda paludicola ochrogaster
                           09 Estrilda melpoda (Vieillot, 1817) - orange-cheeked waxbill
                           10 Estrilda rhodopyga Sundevall, 1850
                           11 Estrilda rufibarba (Cabanis, 1851)
                           12 Estrilda troglodytes (M.H.K. Lichtenstein, 1823) - black-rumped waxbill
                           13 Estrilda astrild (C. Linnaeus, 1758) - common waxbill
                           14 Estrilda nigriloris Chapin, 1928 - black-faced waxbill
                           15 Estrilda nonnula Hartlaub, 1883
                           16 Estrilda atricapilla J. Verreaux & E. Verreaux, 1851
                           17 Estrilda kandti Reichenow, 1902 see Estrilda atricapilla kandti Reichenow, 1902
                           18 Estrilda charmosyna (Reichenow, 1881)
                           19 Estrilda erythronotos (Vieillot, 1817)