Today's video is about 7 Key Differences Between Border Collie Vs Australian ShepherdPlease SUBSCRIBE NOW: The Australian Shepherd males are a bit bigger than Border Collies in terms of height. They can measure between 20 and 23 inches. The females, on the other hand, are similar to their Border Collie counterparts. Australian Shepherds can outweigh Border Collies by quite a bit, however. Males can weigh between 50 and 65lbs. The Australian Shepherd is a herding dog which, interestingly, does not have its origins in Australia.They are commonly confused with either the Border Collie or the Blue Heeler / Red Heeler, but Now, let’s move on to the Australian Shepherd. These dogs are equally as intelligent and active as their Border Collie counterparts. However, Australian Shepherds also have a naturally protective and loyal nature, making them great family pets. They are known for their versatility and excel in various dog sports and activities. What’s the difference between a Border Collie vs. an Australian Shepherd? Border Collies and Australian Shepherds are both high-energy herding dogs with similar appearances. But Border Collies tend to be leaner than Aussies (at 30–55 pounds). Physical Differences Between Border Collie and Australian Shepherd: Although both breeds are considered of medium build, the BC is a bit taller and lighter in build. Aussies are lower to the ground, a bit squatter, and tend to weigh more per inch of height. Australian Shepherd vs Border Collie: Intelligence and trainability. When it comes to intelligence, both of these breeds are super sharp dogs who love to learn, but it’s the Border Collie who comes out on top time and time again, being ranked the most intelligent dog breed in the world. Here are some factors to consider when deciding between a Border Collie and an Australian Shepherd: Energy Levels: Both breeds are known for their high energy levels and need for exercise. Border collies are often considered the most energetic of the two, requiring plenty of physical activity and mental stimulation to keep them from getting bored. veRYL.