A domesticated carnivorous mammal, widely kept as a pet, guard animal, or for various working roles like guiding or herding. Known for its loyalty and companionship, dogs are often called 'man's best friend'.

人(ひと)によく懐(なつ)き、ペットや番犬(ばんけん)として飼(か)われる動物(どうぶつ)です。忠実(ちゅうじつ)で様々(さまざま)な役割(やくわり)を果(は)たします。