Equus (genus) a female horse. With rare exceptions, these hybrids are sterile and cannot reproduce. A related hybrid, a hinny, is a cross between a male horse and a female donkey. Other hybrids include the zorse, a cross between a zebra and a horse and a zonkey or zedonk, a hybrid of a zebra and a donkey. In areas where Grévy's zebras are sympatric with plains zebras, fertile hybrids do occur. Equines have significant differences in size, though all are characterized by long heads and necks. Their slender legs support their weight on one digit (which evolved from the middle digits). Grévy's
Donkey burger to eat horse meat; however, since horses were a valuable resource, common people substituted donkey meat and considered it tastier. Donkey burgers became popular towards the end of the Qing dynasty after the Beijing-Hankou railway line was built, as donkeys were no longer needed to transport goods in and out of Beijing. When departing from Beijing, Baoding is the first major city on the Beijing-Hankou railroad. The traditional freight industry was hit particularly hard there, and as a result, donkey burgers became most popular in Baoding. Donkey burger The donkey burger () is a kind of sandwich commonly eaten in