Horse breed been produced. Such restrictions have led to legal challenges in the United States, sometime based on state law and sometimes based on antitrust laws. Horses can crossbreed with other equine species to produce hybrids. These hybrid types are not breeds, but they resemble breeds in that crosses between certain horse breeds and other equine species produce characteristic offspring. The most common hybrid is the mule, a cross between a "jack" (male donkey) and a mare. A related hybrid, the hinny, is a cross between a stallion and a jenny (female donkey). Most other hybrids involve the zebra (see Zebroid). With
Donkey walk Donkey walk The donkey walk () is a Russian Orthodox Palm Sunday ritual re-enactment of Jesus Christ's entry into Jerusalem. The best known historical donkey walk was practised in Moscow from 1558 until 1693. The Metropolitan and later Patriarch of Moscow, representing Jesus Christ, rode on a "donkey" (actually a horse{insufficient citation}), while the Tsar of Russia humbly led the donkey on foot. From 1561 to 1655 the donkey walk began in the Kremlin and terminated at Trinity Cathedral (now Saint Basil's Cathedral), but in 1656 Patriarch Nikon reversed the order of procession. The donkey walk and the Great Blessing