#family_Steatornithidae__Steatornithidae  oilbirds
  supertype:  #bird_family  a family of warm-blooded egg-laying vertebrates characterized by feathers and forelimbs modified as wings
  member of:  #order_Caprimulgiformes
  member:  #genus_Steatornis__Steatornis  type and sole genus of the family Steatornithidae
     member:  #oilbird__guacharo__Steatornis_caripensis  nocturnal fruit-eating bird of South America that has fatty young yielding an oil that is used instead of butter

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