#pelagic_bird__pelagicbird__oceanic_bird__oceanicbird  bird of the open seas
  supertype:  #seabird__sea_bird__seabird__seafowl  a bird that frequents coastal waters and the open ocean: gulls; pelicans; gannets; cormorants; albatrosses; petrels; etc.
  subtype:  #procellariiform_seabird__procellariiformseabird  large long-winged bird with hooked bill and tubular nostrils that wanders the open seas
  subtype:  #mollymawk__albatross__albatros  large web-footed birds of the southern hemisphere having long narrow wings; noted for powerful gliding flight
     subtype:  #wandering_albatross__wanderingalbatros__Diomedea_exulans  very large albatross; white with wide black wings
     subtype:  #black-footed_albatross__gooney__gooney_bird__goonie__goony__Diomedea_nigripes  a variety of albatross with black feet
  subtype:  #petrel  relatively small long-winged tube-nosed bird that flies far from land
     subtype:  #white-chinned_petrel__whitechinnedpetrel__Procellaria_aequinoctialis  large black petrel of southern seas having a white mark on the chin
     subtype:  #giant_petrel__giantpetrel__giantfulmar__macronectesgiganteu  large brownish petrel chiefly of Antarctic seas
     subtype:  #fulmar_petrel__fulmar__Fulmarus_glacialis  heavy short-tailed oceanic bird of polar regions
     subtype:  #shearwater  long-winged oceanic bird that in flight skims close to the waves
        subtype:  #Manx_shearwater__Puffinus_puffinus  small black-and-white shearwater common in the eastern North Atlantic
     subtype:  #storm_petrel__stormpetrel  any of various small petrels having dark plumage with paler underparts
        subtype:  #stormy_petrel__northern_storm_petrel__Hydrobates_pelagicus  sooty black petrel with white markings; of the north Atlantic and Mediterranean
        subtype:  #Mother_Carey's_chicken__Mother_Carey's_hen__Oceanites_oceanicus  medium-sized storm petrel
  subtype:  #diving_petrel  any of several small diving birds of S hemisphere seas; somewhat resemble auks

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