The Cairn Terrier is a small, sturdy dog breed known for its lively and friendly personality. Originating from the Scottish Highlands, these dogs were originally bred to hunt vermin among the rocky terrain. They have a weather-resistant double coat that can come in various colors, including brindle, gray, and cream. Cairn Terriers are intelligent and energetic, requiring regular exercise and mental stimulation. They are known for their playful nature and can be good family pets. With proper training and socialization, they can get along well with children and other animals, making them versatile companions.