Retrievers are a type of dog known for their friendly nature and strong retrieving instincts. They were originally bred to help hunters by fetching game, such as birds, from land and water. Popular breeds include the Labrador Retriever, Golden Retriever, and Chesapeake Bay Retriever. These dogs are often characterized by their intelligence, trainability, and love for people. Retrievers are commonly used in various roles, including service dogs, therapy dogs, and search-and-rescue animals. Their gentle temperament makes them great family pets, and they thrive on companionship and physical activity. Regular exercise and mental stimulation are essential for their well-being.