Stock photography, photos: Thoroughbred Colt and Filly Stock photos of A young Throroughbred horse colt and filly standing very close to each other 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, close, color, colour, colt, domestic, domesticated, female, filly, horse, male, mammal, pair, south, southern, thoroughbred, two, vertical, yearling, young,thoroughbred horse