They are known to herd other animals. It is what they are usually bred to do. My mother owns one and it is constantly nipping the heels of the other dogs when they are playing in order to get them to go where she would like them to.
The AKC Breed Standard is 17 - 20 inches at the shoulder. The weight ranges from 30 to 45 pounds. I have a female that weighs 37 pounds at 19 inches tall and a male that weighs 45 at 19 inches...
That dog breed is called an Australian Cattle Dog. or it could be an Australian kelpie(i have 1) The Australian Cattle Dog was derived from crossing breeds including the Dingo, Kelpie, Bull Terrier,...