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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.

Some snake repellents are risky to use around people and pets because they use the active ingredient in mothballs, naphthalene. The United States Environmental Protection Agency (EPA) has classified naphthalene as a carcinogen that can cause damage to the liver, neurological issues, and cataracts. 

The Colorado State University Extension suggests there’s not enough conclusive evidence of the effectiveness of snake repellents to recommend their use.

Naturally get rid of gnats by luring them into a homemade trap with sweet-smelling items from around the house. Cover a bowl with plastic wrap, place a paper cone in a jar, or simply leave a wine bottle with a bit of residue on the bottom. Each of these traps will attract remaining gnats and keep them from spreading.

Groundhogs usually keep their cool despite being easily spooked. However, there are exceptions—they might get defensive or territorial if they feel threatened or overly concerned. If they sense a threat to their babies, they could get feisty, too. These wild animals are not meant to be kept as pets. If you find babies or an injured groundhog, contact your local animal rescue or wildlife service for guidance.