#family_Opisthocomidae__Opisthocomidae  comprising the hoatzins
  supertype:  #bird_family  a family of warm-blooded egg-laying vertebrates characterized by feathers and forelimbs modified as wings
  member of:  #order_Galliformes
  member:  #genus_Opisthocomus__Opisthocomus  type genus of the Opisthocomidae: hoatzins
     member:  #hoatzin__hoactzin__stinkbird__Opisthocomus_hoazin  crested ill-smelling South American bird whose young have claws on the first and second digits of the wings

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