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Identifying the specific animal running on your roof at night can be challenging without direct observation. Common nocturnal roof visitors include raccoons, squirrels, opossums, and rats. Raccoons are bigger and can create heavy thumping sounds. Squirrels are agile and may produce rapid scurrying noises. Opossums tend to move stealthily with less noise. Rats can make scratching or gnawing sounds. To determine the culprit, look for signs like footprints, droppings, or damaged areas near the roof. For accurate identification, consult a pest control professional or set up wildlife cameras near potential entry points.

According to the Centers for Disease Control and Prevention (CDC), fleas can carry human disease-causing pathogens for Plague, Flea-borne typhus, and Cat scratch disease. These diseases are caused by fleas such as Oropsylla montana, Xenopsylla cheopis, and Ctenocephalides felis, and are commonly found in rural areas of the western United States, California, Texas, and Hawaii. Fleaborne parasites like tapeworms can also be spread to people and animals if they accidentally swallow an infected flea, and small children are at a higher risk. Symptoms may not be present in most infected people.

Gel bait and gel bait traps use poison to kill cockroaches, and aren’t safe to use around pets. Many gel bait traps are called “child-resistant,” but this only means that the traps are hard to rip open for children. Large pets and children are still able to swallow them. If you use gel bait, use it in areas where pets and children can’t access them, such as under a washing machine. Another option is to use glue traps, which don’t contain pesticides and are safe to use around pets. 

Once the animals and their young are out of the house, remove the nest and locate any entry points. Some may be difficult to find because some animals can fit through very small holes. Once you’ve located as many entry points as possible, use materials such as metal or masonry to block off the entry. Ideally, you should choose materials that most animals cannot chew through. Create a one-way door or flap to allow animals to leave but not return. Additional methods include using repellants designed to make an area unappealing to the types of animals that find your home so inviting.