The first british herding dogs that were exported to Australia had problems coping with the heat and barked too much while herding. To solve this problem, the dogs were crossed with dingos, thus tougher, more quiet herders that worked by biting were born. They were often called 'heelers', and the first breed standard for the breed later known as 'Australian cattle dog' was written in 1902.
The Australian cattle dog should be compact, powerful and with great endurance. The head is broad with slight stop, muscular cheeks and dry lips. The eyes typically have a suspicious expression. The ears are quite small, set wide apart and carried slightly forward. The neck is very powerful, the body compact and strong with broad thighs. The tail should follow the line of the back or be carried somewhat lower and be covered in a good brush. The coat is smooth but not too short.