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
Now What (horse) the 1952 American Co-Champion Older Female Horse. Now What (horse) Now What (foaled 1937, in Kentucky) was an American Thoroughbred Champion racehorse. Her dam was That's That, and her sire was the 1927 American Horse of the Year and two-time Leading sire in North America, Chance Play. Raced by Alfred G. Vanderbilt II, Now What was trained by Bud Stotler and was a champion at two. As a three-year-old, she finished second in the Molly Brant Handicap, Pimlico Nursery Stakes, and Juvenile Stakes. Now What served as a broodmare for Vanderbilt. Her most successful foal to race was Next Move,