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
Travels with a Donkey in the Cévennes Travels with a Donkey in the Cévennes Travels with a Donkey in the Cévennes (1879) is one of Robert Louis Stevenson's earliest published works and is considered a pioneering classic of outdoor literature. Stevenson was in his late 20s and still dependent on his parents for support. His journey was designed to provide material for publication while allowing him to distance himself from a love affair with an American woman of which his friends and families did not approve and who had returned to her husband in California. "Travels" recounts Stevenson's 12-day, solo hiking journey through the sparsely populated and