My male dog is very energetic.

My domestic dog is very smart.

The Canis genus includes animals such as wolves and coyotes.

The Canidae family includes animals such as wolves, foxes, and dogs.

My herding dog is good at gathering sheep.

My sheep dog starts working as soon as it sees sheep.

He is training a hunting dog.

He keeps an attack dog to protect his house.

The sentry dog is watching over the factory all night.

It is said that a dog spirit has been protecting this village since ancient times.