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) 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