Quote Originally Posted by lv4dogs
It has nothing to do with the sex of the dog, nor the breed. Just some dogs are more prone to aggressive &/or territorial &/or prey drive behavior.
SO you think it's a agressive, terriotorial, prey kinda thing?

I forgot to say that she lives in a 2 bedroom apartment with three other dogs, and a bunch of cats. Could it be a "space" kind of issue?