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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.

Deer are most active around dawn and dusk. Most species of deer are crepuscular, meaning they are often awake during twilight hours. As far as the time of year goes, you can encounter deer in any month, as they don’t hibernate. They are most active during warmer months when food is the most abundant.

It can be difficult to know what type of animal is in your attic until you see it. But several clues can help you narrow down the suspects:

• Sounds: Smaller animals like rats and mice make scurrying and tapping/gnawing sounds. Larger animals like raccoons and opossums make louder clambering noises. Also, note when animals are noisy: Squirrels are active during the day, while rats are busiest at night.

• Droppings: Rats and mice leave small, rice-shaped droppings (the rat’s version is significantly larger). Bigger droppings belong to larger critters like raccoons. As long as you’re not squeamish, an image search can help you identify what you’re seeing in your attic.

When in doubt, take photos of damage or other evidence and show them to an experienced pest control pro.

Luckily, skunks aren’t challenging to get rid of. You can try to remove them slowly by filling their den entryway loosely with newspaper. Many skunks notice their den is in jeopardy and take off on their own. You can also try making a homemade spray of jalapeno pepper, yellow onion, and cayenne pepper—believe it or not, skunks are sensitive to these smells, so if you spray this around the den or in hard-to-reach places around your property, most skunks will take the hint and leave.