The Kerry Blue Terrier is a well-built, muscular, medium-sized dog with true terrier style and character. Born black at birth the coat changes color through one or more transitions. This breed is gentle, lovable, and intelligent. It is successfully in herding sheep and cattle; an all-round working and utility terrier. It is outgoing and friendly towards its family, it is known to give big slurpy kisses. It is a loving family dog.