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 Egretta Forster, 1817
               Egretta sacra (Gmelin, 1789) - Pacific reef egret
                 1 Egretta sacra sacra (Gmelin, 1789)
                 2 Egretta sacra albolineata (Gray, 1859)