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
             Stercorarius longicaudus Vieillot, 1819 - long-tailed jaeger
               Stercorarius longicaudus pallescens Løppenthin, 1932