Phylum Chordata Bateson, 1885 - chordates
   Class Aves Linnaeus, 1758 - birds see Subclass Aves Linnaeus, 1758
     Subclass Neornithes Gadow, 1893 see Clade Neornithes Gadow, 1893
       Superorder Neognathae Pycraft, 1900 see Cohort Neognathae Pycraft, 1900
         Order Ciconiiformes Bonaparte, 1854
           Family Ardeidae Leach, 1820 - herons, bitterns and egrets
             Genus Ardeola Boie, 1822
               1 Ardeola ralloides (Scopoli, 1769) - Squacco heron
               2 Ardeola grayii (Sykes, 1832) - Indian pond heron
               3 Ardeola bacchus (Bonaparte, 1855) - Chinese pond heron
               4 Ardeola speciosa (Horsfield, 1821) - Javan pond heron
               5 Ardeola idae (Hartlaub, 1860) - Madagascan pond heron
               6 Ardeola rufiventris (Sundevall, 1850) - rufous-bellied heron