The answer to 'why is my pest scratching sounds' is that common causes include rodents like mice or rats, insects like termites or woodworms, or even birds nesting in the walls or attic. The scratching, scurrying, or tapping noises are often a sign of an active pest infestation in your home. These pests may be looking for food, nesting, or trying to gain access to your home.
If you're hearing these sounds, it's important to investigate the source quickly. Pests can cause significant damage to your home's structure and belongings if left unchecked. Start by inspecting areas where you hear the noises, looking for signs of droppings, chewed materials, or other evidence of pests. You may also want to set traps or use other DIY pest control methods. However, for more serious infestations, it's best to call in a professional pest control technician who can properly identify the pest and implement the right treatment plan.