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] Passeriformes Linnaeus, 1758
         oscines see Suborder Oscines
           Passerida - passeridans see Parvorder Passerida (C. Linnaeus, 1758) Sibley et al., 1988
             Passeroidea
               Family Parulidae Wetmore et al., 1947 - New World warblers
                 Genus Ergaticus S.F. Baird, 1865
                   1 Ergaticus ruber (Swainson, 1827)
                   2 Ergaticus versicolor (Salvin, 1864)