Class Aves Linnaeus, 1758 - birds see Subclass Aves Linnaeus, 1758
   Subclass Neornithes Gadow, 1893 see Clade Neornithes Gadow, 1893
     Infraclass Neoaves Sibley et al., 1988 see Subcohort Neoaves Sibley et al., 1988
       Parvclass Passerae see Superorder Passerimorphae Sibley et al., 1988
         Superorder Passerimorphae Sibley et al., 1988
           Order Ciconiiformes Bonaparte, 1854
             Suborder Ciconii see Suborder Ciconiae Bonaparte, 1854
               Infraorder Ciconiides see Suborder Ciconiae Bonaparte, 1854
                 Parvorder Ciconiida see Suborder Ciconiae Bonaparte, 1854
                   Superfamily Procellarioidea Fürbringer, 1888
                     Family Procellariidae Leach, 1820 - petrels, shearwaters
                       Subfamily Diomedeinae see Family Diomedeidae Gray, 1840
                         Genus Diomedea Linnaeus, 1758
                           Diomedea cauta Gould, 1840[1841] - shy albatross see Thalassarche cauta (Gould, 1841)
                             1 Diomedea cauta cautaᵀ Gould, 1841 - shy albatross
                             2 Diomedea cauta salvini (Rothschild, 1893) - grey-backed albatross
                             3 Diomedea cauta eremita (Murphy, 1930) - Chatham Islands albatross