The Heeler is a naturally bobtailed  or tailless, medium-sized cattle dog similar and/or related to the Australian Cattle Dog (aka, 'Queensland Heeler'). The Australian Stumpy Tail Cattle Dog was developed in Australia  to herd cattle, and descends from crosses between European herding dogs and the Australian dingo. The name is spelled both with hyphenation, Blue Heeler, and without, and the shorter name Heeler is also sometimes applied. When there is a tail, it is quite short, no longer than 10 cm (4 in. ), and undocked. The coat is medium length to short, straight, dense and harsh. The coat color is a speckled red or speckled blue.
longer than 10 cm (4 in. ), tail, it is quite short, no longer than 10 cm (4 in. ), and undocked. longer than 10 cm
longer than 10 cm (4 in. ), tail, it is quite short, no longer than 10 cm (4 in. ), and undocked. longer than 10 cm