Pet trainers are professionals who teach animals, primarily dogs, how to behave and follow commands. They use various techniques, including positive reinforcement, to encourage good behavior and discourage unwanted actions. Pet trainers often work with pet owners to help them understand their animals better and improve their relationship. These trainers may specialize in different areas, such as obedience training, agility training, or behavior modification. Some pet trainers also offer group classes or private sessions, while others may work with specific breeds or types of animals. Their goal is to ensure that pets are well-behaved and happy in their environments.