The Miniature American Shepherd is a small size herding dog that originated in the United States. He is slightly longer than tall with bone that is moderate and in proportion to body size and height without extremes. Movement is smooth, easy, and balanced. Exceptional agility combined with strength and stamina allows for working over a variety of terrain. This highly versatile, energetic dog makes an excellent athlete with superior intelligence and a willingness to please those to whom he is devoted. He is both a loyal companion and a biddable worker, which is evident in his watchful expression. The double coat of medium length and coarseness may be solid in color or merled, with or without white and/or tan (copper) markings. Identifying characteristics are their varying and often striking eye colours.