The answer to 'which is worse mouse or' is that mice are generally considered worse pests than rats. Mice are smaller, more agile, and can squeeze through even the smallest openings to infest your home. They breed rapidly, with females capable of producing up to 12 litters per year with 5-6 offspring each time. Mice also pose greater health risks, as they can spread diseases like salmonella, hantavirus, and even the bubonic plague through their droppings and contaminated food sources.
In contrast, rats are larger, less agile, and easier to detect and eliminate. While rats can still cause significant damage and spread diseases, they tend to be less prolific breeders than mice. Additionally, rats are generally more wary of humans and less likely to invade living spaces compared to the curious and persistent mouse.