JackRabbit, online at jackrabbit.com, save money on hot items when shopping on JackRabbit when applying our coupons, promo codes during checkout. Trust us, these coupons are good. Make the best of our JackRabbit promo codes to get 20% OFF. All discounts are totally free to use. Jackrabbits are mammals in the same family as the rabbits. All Jackrabbits are actually hares . The word jackrabbit comes from a book by Mark Twain, in which he describes the creature as a jackass rabbit, on account of the hare's ears looking as though they belonged to a donkey. Later on this term shortened to Jackrabbit. The six species are:* Antelope jackrabbit* Black-tailed jackrabbit* White-sided jackrabbit* Tehuantepec jackrabbit* Black jackrabbit* White-tailed jackrabbit Jack rabbit or Jackrabbit may also refer to:.