What are St. Bernards and Boston terriers ranked in the smartest breed?
Terriers are energetic dogs and usually have vibrant personalities. Terriers were bred to be working dogs, they are popular dogs for movies and TV, they kill vermin have been used during wartime as guard dogs, messengers and for hunting game. Airedale Terriers, the largest of the terrier breed, were also the first dogs used for police work in Germany and Britain.
