Which dog breed originated in the United States, Treeing Walker Coonhound or Australian Stumpy Tail Cattle Dog?
Treeing Walker Coonhound: The Treeing Walker Coonhound is a breed of hound descended from the English and American Foxhounds. Treeing Walker Coonhound:  The breed originated in the United States when a dog known as "Tennessee Lead", was crossed into the Walker Hound in the 19th century. Treeing Walker Coonhound:  The Treeing Walker Coonhound was recognized officially as a breed by the United Kennel Club in 1945 and by the American Kennel Club in 2012. Australian Stumpy Tail Cattle Dog:  The Australian Stumpy Tail Cattle Dog was developed in Australia to herd cattle, and descends from crosses between European herding dogs and the Australian dingo.
Treeing Walker Coonhound