A common question among lawn owners is: will mole traps work on voles? The short answer is no, because a moles animal lives deep underground, while a vole animal runs on the surface. Professional mole hunters know that best traps for moles require deep soil placement. Meanwhile, voles require surface snap traps. If you are tracking how big are moles compared to voles, moles are much larger and heavier. To protect your yard, rely on natural moles natural predators or buy specific traps tailored to each rodent.