The Australian Kelpie, or simply Kelpie, is an Australian sheep dog successful at mustering and droving with little or no guidance. It is a medium-sized dog and comes in a variety of colours. The Kelpie has been exported throughout the world and is used to muster livestock, primarily sheep, cattle and goats. The Kelpie is a soft-coated, medium-sized dog, generally with prick ears and an athletic appearance. Coat colours include black, black and tan, red, red and tan, blue, blue and tan, fawn, fawn and tan, cream, black and blue, and white and gold. The Kelpie generally weighs 14–20 kg (31–44 lb) and measures 41–51 cm (16–20 in) at the withers. They can reach maximum wight of 25–27 kgs.