Ключевые слова: alertness, animal, animate, beast, biology, bit, breed, bridle, colt, critter, domestic, dressage, equine, equitation, filly, foal, gallop, gelding, halter, harness, hoof, hoofed, horse, horseback, horsemanship, jumping, livestock, mammal, mane, mare, mustang, nose, obstacles, organism, overcoming, pet, pony, purebred, racehorse, rein, riding, running, snaffle, sport, sportive, stallion, tail, thoroughbred, vertebrate, zoology,