The Field Spaniel is a medium-sized breed of dog. It is one of several spaniel breeds which can serve as gundogs.(Wikipedia)
The Field Spaniel is 17–19 inches (43–48 cm) tall at the withers. Its long, silky coat comes in solid colours of liver and black. Tan points are allowed as is Roan, which is defined as a blend of both dark and white hairs without large patches of either colour. The Field Spaniel is somewhat longer than taller to a ratio of 7:8. The UK Kennel Club Breed Standard states Field Spaniels should weigh 18–25 kg (40–55 lb).(Wikipedia)