Are there chocolate colored Queensland heelers?

Yes, chocolate heelers are an accepted color within the Queensland Heeler breed according to the breed standards set by the American Kennel Club (AKC). The coat colors officially recognized by the AKC for Queensland Heelers are blue mottled, red mottled, and chocolate mottled. Mottling refers to the presence of small spots or flecks of a darker color within the base coat color. While chocolate heelers are relatively common, they may still be less frequent compared to other coat color variations.