Sheep dogs are working dogs that have been bred specifically to herd and protect sheep. They are intelligent, loyal, and highly trainable dogs that perform an important job in the agricultural industry. Synonyms for the term "sheep dogs" include "herding dogs," which refers to their main function of moving livestock, "livestock guardian dogs," which emphasizes their protective role, and "working dogs," which highlights their usefulness in the field. There are many breeds of sheep dogs, including the Border Colllie, the Australian Cattle Dog, and the German Shepherd, each with their own unique characteristics and abilities. Regardless of their breed, sheep dogs are valued members of the farming community and important partners to their human handlers.