The Chesapeake Bay Retriever, also known as the Chessie, is a breed of dog that originated in the Chesapeake Bay area of the United States in the 19th century. The breed was developed to retrieve waterfowl in the harsh conditions of the bay area, and is known for its strength, loyalty and ability to swim in cold water. The exact origins of the breed are not known, but it is believed to have descended from a number of different breeds, including the Newfoundland, Irish Water Spaniel, and the Curly-Coated Retriever. Through careful breeding and selection, the Chesapeake Bay Retriever became a distinct breed with its own unique characteristics and traits. Today, the Chessie remains a popular hunting companion and family pet, and is recognized by the American Kennel Club as a breed in its own right.