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 Ciconiiformes Bonaparte, 1854
                   Family Ardeidae Leach, 1820 - herons, bitterns and egrets
                     Genus Ardeola Boie, 1822
                       1 Ardeola ibis (C. Linnaeus, 1758) see Bubulcus ibis (Linnaeus, 1758)
                       2 Ardeola speciosa (Horsfield, 1821) - Javan pond heron
                       3 Ardeola bacchus (Bonaparte, 1855) - Chinese pond heron
                       4 Ardeola grayii (Sykes, 1832) - Indian pond heron
                       5 Ardeola idae (Hartlaub, 1860) - Madagascan pond heron
                       6 Ardeola ralloides (Scopoli, 1769) - Squacco heron