The other is a United States ranch dog. Surprisingly, the Blue Heeler dog breed (aka Australian Cattle Dog) originated in Australia as a result of breeding Blue Merle Collies with Dingos.

The Blue Heeler, also known as the Australian Cattle Dog, Queensland Heeler, or Red Heeler, was developed in Australia during ...

Well isn't this just the sweetest thing? A Blue heeler on the internet is proving why you should raise your dog with other animals — they pick up the sweetest habits. The dog's owner was ...