#wild_horse  undomesticated or feral domestic horse
  supertype:  #horse__Equus_caballus  solid-hoofed herbivorous quadruped domesticated since prehistoric times
  subtype:  #tarpan__Equus_caballus_gomelini  European wild horse extinct since the early 20th century
  subtype:  #warrigal__warragal  Australian wild horse
  subtype:  #Przewalski's_horse__Przevalski's_horse__Equus_caballus_przewalskii__Equus_caballus_przevalskii  wild horse of central Asia that resembles an ass; now endangered

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