Kingdom [Animalia] Linnaeus, 1758 - animals
   Subkingdom Metazoa Haeckel, 1874 see Kingdom Animalia Linnaeus, 1758
     Division Eumetazoa Butschli, 1910 see Subkingdom Eumetazoa Butschli, 1910
       Subdivision Bilateralia
         Phylum Chordata Bateson, 1885 - chordates
           Subphylum Vertebrata Cuvier, 1812 - vertebrates
             Class Aves Linnaeus, 1758 - birds see Subclass Aves Linnaeus, 1758
               Subclass Neornithes Gadow, 1893 see Clade Neornithes Gadow, 1893
                 Order Passeriformes Linnaeus, 1758
                   Suborder Oscines see Suborder Passeres (C. Linnaeus, 1758) C. Linnaeus, 1766
                     Family Vireonidae Swainson, 1837 - vireos and allies
                       Subfamily Vireoninae see Family Vireonidae Swainson, 1837
                         Genus Vireo Vieillot, 1808
                           1 Vireo flavifrons Vieillot, 1808 - yellow-throated vireo
                           2 Vireo olivaceus (C. Linnaeus, 1766) - red-eyed vireo
                           3 Vireo gilvus (Vieillot, 1808) - warbling vireo