Mule Mule A mule is the offspring of a male donkey (jack) and a female horse (mare). Horses and donkeys are different species, with different numbers of chromosomes. Of the two F1 hybrids (first generation hybrids) between these two species, a mule is easier to obtain than a hinny, which is the offspring of a female donkey (jenny) and a male horse (stallion). The size of a mule and work to which it is put depend largely on the breeding of the mule's female parent (dam). Mules can be lightweight, medium weight or when produced from draft horse mares, of moderately
Tourist (horse) was a late developing horse who won back-to-back Breeders' Cup Classics, and is known for siring offspring that also tend to develop later in their career and are best at a distance of a mile and up. Tiznow is the most important modern descendant of Man o' War in the direct male line – the sire line traces back to the Godolphin Arabian. Tourist's dam, Unbridled Melody by Unbridled's Song, comes from a strong female family that has produced multiple stakes winners in recent generations. Unbridled Melody produced five named foals, four of them stakes winners. Tourist has been described