Ключевые слова: adorable, aggressive, aggressive behavior, alert, alertness, animal, animal behavior, bark, barking, body language, canine, canine companion, canine training, communication, cute, dog, domestic, domesticated, energetic, excited, expression, expressive, friendly, fur, loyal, loyal companion, mammal, mouth open, obedient, pedigree, pet, pet ownership, playful, purebred, teeth, tongue, trained, vocalization,