1 year ago 1 year ago 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 1 year ago1 year ago Facebook Twitter Credit Judy Powell 1 year ago 0 Previous 5/15 Next View full list Like it? Share with your friends! Facebook Twitter 0 Comments Cancel replyYour email address will not be published. Required fields are marked * Save my name, email, and website in this browser for the next time I comment.