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] Charadriiformes Huxley, 1867 - shorebirds, gulls, auks
         Family Stercorariidae Gray, 1870 [monotypic] - skuas
           Genus Stercorarius Brisson, 1760
             1 Stercorarius chilensis Bonaparte, 1857
             2 Stercorarius maccormicki Saunders, 1893
             3 Stercorarius antarcticus (Lesson, 1831)
             4 Stercorarius skua (Brünnich, 1764)
             5 Stercorarius pomarinus (Temminck, 1815) - pomarine jaeger
             6 Stercorarius parasiticus (Linnaeus, 1758) - parasitic jaeger
             7 Stercorarius longicaudus Vieillot, 1819 - long-tailed jaeger