Scratching noises in the roof can be bothersome, especially in the dead of night. Although this is experienced in every part of the world, it is more prominent in Australia. Hearing noises in the night is a result of just one thing – critters. Interestingly, some of these creatures are also active during the day. But since you are hardly home during the day, and even when you are, the whole place is always noisy, it becomes impossible to notice their presence. So, you take it that the n..