Snowdrops
Voles eat many of our spring bulbs and corms. These nutrient-rich, underground tubers are just too tasty for them to pass up. Crocus, Chionodoxa, tulips (Tulipa), and some kinds of hyacinths (Hyacinthus orientalis) are among the plants that voles commonly damage.2
Snowdrops (Galanthus nivalis) are one type that voles don't eat, happily.