Despite the name, the Australian Shepherd developed on American ranches in the 1800s, where it moved sheep and cattle all day. That history explains the stamina and quick mind. Aussies are medium dogs, usually 40 to 65 pounds, with a weather-resistant double coat in blue merle, red merle, black or red, often with white and tan trim and eyes that can be brown, blue or both.
The coat sheds moderately to heavily, so Modesto's dry, dusty summers mean regular brushing to clear loose undercoat and bits of dry grass. Many Aussies are devoted to their families and reserved with strangers, and they do best with adopters who enjoy training. Without enough exercise and mental work, that drive can turn into barking, chewing or herding children, though every dog differs.