The Australian Shepherd breed, often called the "Aussie," is known for its intelligence, agility, and herding abilities. Despite the name, Australian Shepherds are actually believed to have originated in the United States. They are medium-sized dogs with striking merle-patterned coats and are highly regarded as working dogs, excelling in herding livestock and various dog sports. Australian Shepherds are also cherished as loyal and affectionate companions, making them a popular choice for both active families and individuals.