Hello Gardeners, I’m Amanda McNulty with Clemson Extension and Making It Grow . Moles start with the letter m – m for meat. Voles starts with v and they are vegetarians. Although human vegetarians munch on nothing harder than a raw carrot, voles happily eat the bark off trees. These rodents are active day or night, using underground burrows or heavy vegetation for protection. When trees have mulch piled up around their trunks, volcano mulching, the voles have a safe environment in which to munch