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Squirrels rely heavily on their sense of smell and are deterred by a variety of scents. Some of the most effective smells for repelling them include peppermint oil, coffee grounds, white vinegar, garlic, cinnamon, rosemary, and predator urine. They also have a strong aversion to capsaicin, the compound that makes chili peppers hot, making capsaicin-based sprays an effective repellent for areas like gardens or bird feeders. For a DIY solution, you can create a spray from garlic and vinegar and apply it daily. Additionally, squirrels dislike strong, fresh scents, so placing items like strong-smelling soaps or dryer sheets in areas they frequent can also help keep them away.

Generally, squirrels are not considered aggressive toward humans. They are more likely to flee than confront people. However, like many animals, they may exhibit aggressive behavior if they feel threatened or cornered. If you approach a squirrel too closely or try to handle it, especially if it's a mother protecting her young, it may resort to defensive tactics such as biting or scratching.

Voles are pretty prolific breeders, managing to squeeze in 5 to 10 litters a year, and each litter usually has around 3 to 5 little ones. These furry creatures are flexible with their love lives, as they can breed all year round, though spring and summer are their prime times. If they're living it up in warmer areas, voles don't take a break and keep reproducing non-stop.

Raccoons are primarily crepuscular and nocturnal, meaning they are most active at dawn, dusk, and throughout the night. While less common, they may come out during the day to find food, especially in warm months or during the spring birthing season (April and May) when caring for their young. Seasonally, raccoons are active year-round and do not truly hibernate. However, during periods of severe cold, they will often remain in their dens for extended periods.