Neornithes Gadow, 1893 - living birds
   Neognathae Pycraft 1900 see Cohort Neognathae Pycraft, 1900
     Neoaves Sibley et al. 1988 see Subcohort Neoaves Sibley et al., 1988
       [Order] Ciconiiformes Bonaparte, 1854
         Family Ardeidae Leach, 1820 - herons, bitterns and egrets
           Subfamily Ardeinae Leach, 1820
             Genus Butorides Blyth, 1852
               Butorides virescens (Linnaeus, 1758) - green heron
                 1 Butorides virescens anthonyi (Mearns, 1895)
                 2 Butorides virescens frazari (Brewster, 1888)
                 3 Butorides virescens virescens (Linnaeus, 1758)
                 4 Butorides virescens maculata (Boddaert, 1783)