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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.

The signs of a bed bug infestation include itchy, red bite marks on the skin and various forms of physical evidence on or near your bed. Look for reddish or rust-colored stains on sheets from crushed bed bugs, as well as small, dark fecal droppings. You might also find the bugs themselves, their tiny eggs, or the pale, molted skins (casings) they leave behind. In some cases, a persistent musty odor may be present. If you notice any of these signs, calling a professional exterminator is the most effective way to handle the infestation.

Strong scents like peppermint, rosemary, lavender, citronella, and others can repel woodpeckers—as pungent smells can overpower their senses. For that reason, you might consider making a homemade spray with one or a combination of these scents to spritz around areas of your home where woodpeckers frequent.

In general, mouse droppings can remain infectious for 2 to 3 days at room temperature. Through their urine and feces, rodents can spread harmful diseases to humans. Common infectious diseases include hantavirus, salmonellosis, leptospirosis, and LCM.

However, depending on the specific virus and environmental conditions, mouse droppings can carry viruses for shorter or longer periods of time. For example, Salmonella can survive in mouse droppings several days and even weeks.