Horse outward similarity is an unreliable measure of relatedness. Besides the horse, there are six other species of genus "Equus" in the Equidae family. These are the ass or donkey, "Equus asinus"; the mountain zebra, "Equus zebra"; plains zebra, "Equus quagga"; Grévy's zebra, "Equus grevyi"; the kiang, "Equus kiang"; and the onager, "Equus hemionus". Horses can crossbreed with other members of their genus. The most common hybrid is the mule, a cross between a "jack" (male donkey) and a mare. A related hybrid, a hinny, is a cross between a stallion and a jenny (female donkey). Other hybrids include the zorse,
Clothed male, naked female clothed men. The "Pastoral Concert" (c. 1510) attributed to Giorgione or his pupil Titian has been cited as an inspiration for Manet's painting. A 1913 painting "Adoration" by William Strang presents a philosophical study of beauty, with the clothed soldier, painter, scholar, and elderly gentleman fascinated by the naked female subject. Clothed male, naked female Clothed male, naked female (CMNF), or clothed male, nude female, is female nudity in which one or more women are nude while one or more men are clothed. Entertainment columnist Earl Wilson details several experiences involving one-sided female nudity in his book "Show Business Laid