The English Cocker Spaniel is a breed of gun dog. American Cocker Spaniels are smaller, with the males being on average between 14.25 and 15.5 inches (36.2 and 39.4 cm), and females again being smaller on average at between 13.5 and 14.5 inches (34 and 37 cm), both weighing approximately 11–13 kilograms (24–29 lb). The closely related English Springer Spaniels are larger than either types of cockers, growing to between 19 and 19.75 inches (48.3 and 50.2 cm) for the females, and 19.25 and 20 inches (48.9 and 50.8 cm) for the males, and weighing between 23 and 25 kilograms (51 and 55 lb).The English Cocker Spaniel is similar to the English Springer Spaniel and at first glance the only major difference is the larger size of the Springer.