#family_Hydrobatidae__Hydrobatidae  storm petrels
  supertype:  #bird_family  a family of warm-blooded egg-laying vertebrates characterized by feathers and forelimbs modified as wings
  member of:  #order_Procellariiformes
  member:  #storm_petrel__stormpetrel  any of various small petrels having dark plumage with paler underparts
  member:  #genus_Hydrobates__Hydrobates  type genus of the Hydrobatidae
     member:  #stormy_petrel__northern_storm_petrel__Hydrobates_pelagicus  sooty black petrel with white markings; of the north Atlantic and Mediterranean
  member:  #genus_Oceanites__Oceanites  a genus of Hydrobatidae
     member:  #Mother_Carey's_chicken__Mother_Carey's_hen__Oceanites_oceanicus  medium-sized storm petrel

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