Stock photography, photos: Thoroughbred Colt and Filly Stock photos of Close-up of young Throroughbred horse colt and filly in a pasture in the Bluegrass region of Kentucky USA Photograph: © Jim Lane Click for a larger image and more information Keywords associated with this stock photo: America, Equs caballus, KY, Kentucky, North America, U.S., U.S.A., US, USA, United States, animal, color, colour, colt, domestic, domesticated, female, filly, horizontal, horse, male, mammal, pair, south, southern, thoroughbred, two, yearling, young, thoroughbred horse