Gaye, Could it be chippies? They used to dig down the side of our house and come in through the foundation stones. (Old 1820 foundation with gaps) mice scare the s--t out of me. It is time to get the D-Con out > I just recently had my yard registered as a backyard habitat & Cheers Ginny in Prince George BC - first year ever without any 4 footed visitors. eg: New house.