The black jackrabbit, also known as the black hare or Espiritu Santo jackrabbit, is a species of hare native to Mexico. It is only known to live on the island of Espiritu Santo in the Gulf of California. The IUCN has listed the black jackrabbit as a vulnerable species because of its restricted range. It is regarded by some authorities as being a subspecies of the black-tailed jackrabbit, which is found on the mainland of Mexico.