#family_Rheidae__Rheidae  a family of birds coextensive with the order Rheiformes
  supertype:  #bird_family  a family of warm-blooded egg-laying vertebrates characterized by feathers and forelimbs modified as wings
  member of:  #order_Rheiformes
  member:  #genus_Rhea  type genus of the Rheidae; large tall flightless South American birds similar to but smaller than ostriches
     member:  #Rhea_americana__rhea  larger of two tall fast-running flightless birds similar to ostriches but three-toed; found from Brazil to Patagonia
  member:  #genus_Pterocnemia__Pterocnemia  a genus of birds of the family Rheidae
     member:  #rhea__nandu__Pterocnemia_pennata  smaller of two tall fast-running flightless birds similar to ostriches but three-toed; found from Peru to Straits of Magellan

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