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
Female and Male Herm (sculpture set) the eastern side of the path and "Male Herm" on the western. They have remained in approximately the same place since (with the exception of some time in storage during the 1992 Formal Garden renovation). The marble sculptures are monitored, cleaned, and treated regularly by the IMA art conservation staff. Both sculptures are considered structurally sound and stable as of 2011. Female and Male Herm (sculpture set) Female Herm and Male Herm are a set of two neoclassical marble herms in the outdoor sculpture collection of the historic Oldfields estate, located on the campus of the Indianapolis Museum of Art