Mountain Feists are medium-sized. They feature short and smooth hair, which can vary in color. The eyes are dark and round and the ears are erect or semi-erect, positioned at the sides of the head. The chest is deep and well-sprung, and the body is sturdy and movable. Mountain Feists move in an agile and swift manner. These sweet-tempered dogs are good at hunting squirrels, rabbits, birds and so forth.