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To determine if you have a rat or mouse infestation, look for several key differences. The most obvious is the size of the rodent: rats are significantly larger with thicker bodies, while mice are much smaller and more slender. You can also identify them by their droppings; rat droppings are larger and rounder, about the size of a raisin, while mouse droppings are smaller, like a grain of rice, and often have pointed ends. Other signs include the sounds they make, as rats produce louder scratching and gnawing noises due to their size. Behaviorally, rats tend to be more cautious, whereas mice are more curious and might be seen more often. Additionally, rat nests are typically larger than those of mice. If you are unable to see the pest or find clear evidence, a professional inspection can provide a definitive identification.

Preventing rats and mice from getting into the attic can be challenging, but it’s not impossible. Here are a few steps you can take to keep them looking elsewhere for a new place to call home:

• Block or cover any potential access holes

• Keep piles or stacks of firewood or other materials away from the house

• Seal food and garbage in containers to prevent rodents from chewing through or getting in

Using chemicals with harsh odors is a natural way to repel bears. While the animal’s strong sense of smell is an asset in the animal kingdom, it’s a weakness here. Simply place bleach or ammonia in a bucket and leave it outside day or night. Ironically, bears also dislike the smell of pine, so you can use pine oil or a pine-based cleaning agent. Avoid using cleaning products with fruit or citrus smells, however.

Cinnamon's warm scent appeals to many people but not to many bugs. The spice contains eugenol, which also happens to be used in insecticides. While the level of eugenol in cinnamon isn't enough to eliminate bugs on its own, the scent can be strong enough to keep them away. 

You can try sprinkling cinnamon around areas where you've seen insects, such as ants and mosquitos. Remember that you'll have to reapply frequently, especially after periods of rain.