Ключевые слова: adorable, animal, autumn, beautiful, big, black russian terrier, breeds, curly, cynology, defender, devotee, dog, expressive, fauna, formidable, fourlegged, friend, guard, huge, large, leaves, loving, mammal, military, nature, obedient, partner, pet, pets, predator, red, russian, service, smart, soviet, sweet, terrier, the black, thoroughbred, training, zoology,