Hybrid (biology) are the mule, a cross between a female horse and a male donkey, and the hinny, a cross between a female donkey and a male horse. Pairs of complementary types like the mule and hinny are called reciprocal hybrids. Among many other mammal crosses are hybrid camels, crosses between a bactrian camel and a dromedary. The first known instance of hybrid speciation in marine mammals was discovered in 2014. The clymene dolphin ("Stenella clymene") is a hybrid of two Atlantic species, the spinner and striped dolphins. Cagebird breeders sometimes breed bird hybrids known as mules between species of finch, such
Male/Female (Borofsky) 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 beautify the City." (from the original charter) Male Female was created by artist Jonathan Borofksy