Are Blue Merle Australian Shepherds Rare?

Blue Merle Australian Shepherds are not particularly rare; in fact, the blue merle coat color is one of the standard and most popular color variations for this breed. What is a Blue Merle Australian Shepherd? https://shepherddogsite.com/what-is-a-blue-merle-australian-shepherd/ Everything you need to know about Australian Shepherd dog. https://shepherddogsite.com/australian-shepherd/ Home for Shepherd dogs. https://shepherddogsite.com/