Border Collie comes in two popular varieties of coats, either it is smooth, short and sleek or it can be dense, thick and rough double coat which is of medium length. The tail of it can be straight or a little curled, and its length is generally more than its height. It has deep, oval-shaped, brown eyes, some of them also have blue eyes. It has medium-sized ears, which may or may not be erect. The tail is generally set down, but it can become erect if the dog gets excited about something. Border