Bat Hibernating Bat on ground. Bat droppings over porch. Very heavy bat infestation. Bat guano falling from nest above. Bat guano in attic. Bat guano falling on patio door threshold. Sick Bat. Bat afraid of humans. Bats hanging out. Bat guano falling from ceiling. Very large infestation in attic. Large Bat Colony Bat caught in attic. Guano in inaccessible attic space. Major infestation with guano. Installing 1-Way Exit. Possible bat entrance. Largest Guano Pile. Gavin removing guano in attic space.