Cairn terrier is a cheerful, alert and busy dog and always ready for action. It is very friendly with family and it is short, wide head, free moving and short legged. Cairn terrier presents as a small, shaggy, alert dog, with head, tail, and ears up, and eyes shining with a highly intelligence. Cairn terrier also called as Toto dog as it acted in a film. Cairn terrier is curious and quick learner and is independent. It is a good watch dog too and will announce any visitor.