Which breed is larger, Rough Collie or Boston Terrier?
Rough Collie: The Rough Collie (also known as the Long-Haired Collie) is a long-coated breed of medium to large size dog that in its original form was a type of collie used and bred for herding in Scotland. Boston Terrier:  Bostons are small and compact with a short tail and erect ears.
Rough Collie