There are a few dogs in our neighborhood I don't like to walk by. One has moved, it was a yellow lab. Another is a black, maybe chow mix? For whatever reason, Sadie reacts poorly to these two dogs. I believe it is becuase they bark and jump at the fence, and she is being protective of Cincy and I ( and Ralph, if he is with us).
Many other dogs in our neighborhood run along the fence and bark and she is fine with that. It is only when they jump "at" her that she doesn't seem to like it.