Systema naturæ - nature
   Universum - universe see [unranked] Mundus Plinius
     naturalia - natural bodies
       Regnum Animale nom. inval. - animal kingdom see Kingdom Animalia Linnaeus, 1758
         Class Aves Plinius, nom. inval. - birds see Class Aves Linnaeus, 1758
           Order Passeres nom. inval. see Order Passeres Linnaeus, 1758
             01 Genus Columba nom. inval. see Genus Columba Linnaeus, 1758
             02 Genus Turdus nom. inval. see Genus Turdus Linnaeus, 1758
             03 Genus Sturnus nom. inval. see Genus Sturnus Linnaeus, 1758
             04 Genus Alauda nom. inval. see Genus Alauda Linnaeus, 1758
             05 Genus Motacilla nom. inval. see Genus Motacilla Linnaeus, 1758
             06 Genus Luscinia nom. inval. see Genus Motacilla Linnaeus, 1758
             07 Genus Parus nom. inval. see Genus Parus Linnaeus, 1758
             08 Genus Hirundo nom. inval. see Genus Hirundo Linnaeus, 1758
             09 Genus Loxia nom. inval. see Genus Loxia Linnaeus, 1758
             10 Genus Ampelis nom. inval. see Genus Ampelis Linnaeus, 1766
             11 Genus Fringilla nom. inval. see Genus Fringilla Linnaeus, 1758