The English Cocker Spaniel is a breed of gun dog. It is noteworthy for producing one of the most varied numbers of pups in a litter among all dog breeds. The English Cocker Spaniel is an active, good-natured, sporting dog standing well up at the withers and compactly built. There are "field" or "working" cockers and "house" cockers. It is one of several varieties of spaniel and is the foundation of its American cousin, the American Cocker Spaniel. The English Cocker is closer to the working-dog form of the Field Spaniel and the English Springer Spaniel

The breed standard indicates that the males of the breed are on average between 15.5 and 16 inches (39 and 41 cm) at the withers with the females a little smaller, growing to between 15 and 15.5 inches (38 and 39 cm). Both males and females of the breed weigh approximately 13–14.5 kilograms (29–32 lb).

Other names: Cocker Spaniel
Common nicknames: Cocker, Cocker Spaniel
Origin: England