The active and industrious Cairn Terrier is a charming and sweet companion dog, whose legendary appearance in the Wizard of Oz solidified the breed’s celebrity for generations. Breeders today continue to refer to the breed as the “Toto dog.” As a companion to children, a family watchdog, an accomplished show dog and competition dog, and a “verminator” around the home, this terrier breed fits into most homes and living situations. The breed is as...