The answer to 'rat trails' is that rat trails are the visible paths or tracks left by rats as they repeatedly travel along the same routes. Rat trails are a common sign of an active rat infestation in a home or building. Rats tend to follow the same paths to access food, water, and nesting areas, leaving behind grease, dirt, and droppings that create visible trails.
Seeing rat trails is a clear indication that you have a rat problem and need to take action. The most effective solutions involve a combination of sealing entry points, removing food sources, and using traps or baits to control the rat population. In many cases, it's best to call a professional pest control technician who can properly identify the problem, safely apply treatments, and prevent future infestations.