Rat Terriers Defending Fence 14 Thursday Oct 2010 Posted by Dagny Gromer in Dogs ≈ Leave a comment TagsDogs, rat terrier Rat Terriers Defending Fence, originally uploaded by dagnyg. Our three Rat Terriers defending our fence line. On the other side, 2 Australian Shepards. The fence fighting is part serious dog business and part a big game. Suzie (on the right) looks particularly ferocious in this image.