#genus_Equus__Equus  type genus of the Equidae: only surviving genus of the family Equidae
  supertype:  #mammal_genus  a genus of mammals
  member of:  #family_Equidae
  member:  #horse__Equus_caballus  solid-hoofed herbivorous quadruped domesticated since prehistoric times
     member:  #foal  a young horse
  member:  #ass__as  hardy and sure-footed animal smaller and with longer ears than the horse
  member:  #domestic_ass__donkey__Equus_asinus  domestic beast of burden descended from the African wild ass; patient but stubborn
  member:  #mule  sterile offspring of a male donkey and a female horse
  member:  #hinny  sterile offspring of a male horse and a female donkey or ass
  member:  #wild_ass  any of several plain-colored equine mammals of Asia and northeast Africa
  member:  #zebra  any of several fleet black-and-white striped African equines
  member:  #Equus_quagga__quagga  mammal of South Africa that resembled a zebra; extinct since late 19th century

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