or Semien  jackal  (though recently renamed to reflect its biological affinity with the  gray wolf ). Cerdocyon : Crab-eating fox. Chrysocyon : Maned wolf (in  English ),  aguara guazú  ("big fox" in  Guarani ) and  zorro rojizo  ("reddish fox," one of several names used by  Spanish  speakers). Dusicyon : Falkland Islands