Hinny is easier to obtain when the lower chromosome count, the donkey, is in the male. Therefore breeding for hinnies is more hit-and-miss than breeding for mules." The male hinny or mule can and will mate, but the emission is not fertile. Male hinnies and mules are usually castrated to help control their behavior by eliminating their interest in females. Female hinnies and mules are not customarily spayed, and may or may not go through estrus. Female mules have been known, on rare occasions, to produce offspring when mated to a horse or donkey, although this is extremely uncommon. Since 1527,
Male/Female (Borofsky) versions of the sculpture exist in Kagoshima, Japan ( tall) and Bielefeld, Germany ( tall). Male/Female (Borofsky) "Male/Female" is a tall hollow stainless steel sculpture by Jonathan Borofsky standing at the entrance to Pennsylvania Station in Baltimore, Maryland. It depicts intersecting colossal male and female forms with pulsing light-emitting diode light. Male Female is a work of public art commissioned by the Municipal Art Society of Baltimore City, a private non-profit organization founded in 1899 "to provide sculptural and pictoral decoration and ornaments for the public buildings, streets and open spaces in the City of Baltimore, and to help generally