Mole v Vole
Moles make raised tunneling. Entrances have a lot of kicked out soil. Voles do not make raised tunnels. Their holes are about the size of a quarter and clean. They do down at an angle.
Moles will not damage your beds. In fact, the benefit the soil by aerating and they eat pests. You do not have to get rid of them. Voles, however, will eat bulbs, roots and gnaw bark.
Here are pages on both and options: