The border collie is ranked the No. 1 smartest dog breed, and its intelligence demands to be applied to specific tasks. (5/15) by Judy Powell September 4, 2020, 9:02 am Credit Judy Powell 0 Previous 5/15 Next View full list See more Previous article Sleeping exhibitionist Next article It was the objections of border collie fans themselves that caused the delay. Leave a Reply Cancel replyYour email address will not be published. Required fields are marked *Comment * Name * Email * Website Save my name, email, and website in this browser for the next time I comment.