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 and Female Male and Female Male and Female is a 1919 American silent adventure/drama film directed by Cecil B. DeMille and starring Gloria Swanson and Thomas Meighan. Its main themes are gender relations and social class. The film is based on the J. M. Barrie play "The Admirable Crichton". A previous version was filmed the year before in England as "The Admirable Crichton". The film centers on the relationship between Lady Mary Loam (Swanson), a British aristocrat, and her butler, Crichton (Meighan). Crichton fancies a romance with Mary, but she disdains him because of his lower social class. When the two and