Rat Terrier

First named by Teddy Roosevelt, three Rat Terriers appeared on the front cover of Life Magazine with Teddy in 1890. Today, the breed is best known for ridding farms of rats. Ranging in size from toy to standard, the Rat Terrier stands between 8 and 23 inches and weighs between 4 and 35 pounds. This breed is good for farming or apartment style living.