Texas Heeler vs Blue Heeler: Size. Blue Heelers stand 17-20 inches tall and weigh 35-50 pounds. Meanwhile, Australian Shepherds are larger at 18-23 inches in height and 40-65 pounds. Texas Heelers can be the size of either parent breed, giving them a wide range of 17-23 inches and 35-65 pounds. Perfectly situated between a mid-sized and large dog, the Australian Shepherd and Border Collie are very similar in their stature. In terms of height, the two breeds stand nearly as tall as one another (females, specifically), but when it comes to weight, Australian Shepherds have a few pounds extra and have a sturdier build than the lean Border Collie. Beauceron. The Beauceron is a rare dog breed in the U.S., but they can also display the harlequin coloration . Beaucerons are also big dogs, though they are a bit smaller than Great Danes. They typically do not stand higher than 27.5 inches, but they are quite muscular and occasionally approach 100 pounds in weight. Interestingly, the rate in merle Catahoulas (5.9 percent) was lower than that in other breeds (for example, 9.4 percent in merle Australian Shepherds), and especially lower in double-merle Similarities and differences between Border Collie vs Miniature Australian Shepherd. Compare Border Collie and Miniature Australian Shepherd. Blue merle-tricolor . The Australian Stumpy Tail Cattle Dog, commonly known as the Stumpy, is a naturally bobtailed or tailless, medium-sized cattle dog closely related to the Australian Cattle Dog. The Australian Stumpy Tail Cattle Dog and the Australian Cattle Dog share Halls Heeler origin. The ancestors of both breeds arrived in Australia with the First Fleet and Just like humans, your red merle Australian Shepherd needs love and care for it to enjoy the 12-15 years of life expected of its breed. A good diet, exercise, and regular trips to the vet are key to a healthy dog. You must also acquaint yourself with the possible health problems that your red merle Aussie may face. A medium sized dog Koolies stand between 16 and 22 inches at the withers and generally weigh from 20 to 45 lbs. Coat. Koolie coat ranges from short / smooth (like the original blue merle collies Scottish) short (as a working Kelpie) is not common in the medium and long term (as the Border Collie show). Koolies usually slightly longer than tall. the type of Border Collie best suited for your situation. This will allow you to obtain a good work-ing dog more easily. Australian Shepherd The Australian Shepherd originated in the Basque region on the border between France and Spain. It worked for the Basque shepherd for many generations, and may have immigrated to North America with the Collie Eye Anomaly (CEA): This is an unpleasant eye disorder that affects both eyes. It is common in many herding dogs as well as the Border Collie. The blood vessels around the retina do not develop correctly and can cause anything from mild eye sight issues to a total loss of sight. Potential breeding dogs should be screened for the condition

blue merle border collie vs australian shepherd