Ключевые слова: action, activity, agility, animal, aussie, behavior, canine, catch, catching, cheerful, collie, competition, determination, disc, dog, domestic, effort, energy, excitement, field, flying, fun, funny, fur, game, grass, green, happy, high, joy, jump, jumping, motion, nature, outdoor, outdoors, park, pet, plastic, play, playful, running, skill, speed, sport, summer, toy, tricks, up, young,