Microtus longicaudus (long-tailed vole)
| Class | Mammalia |
| Order | Rodentia |
| Family | Cricetidae |
| Genus | Microtus |
| Species | Microtus longicaudus |
| Common | long-tailed vole |

| Diet | frugivorous/granivorous |
| Habitat | Cool moist habitats. |
| Description | Tail is >50% the length of the body and head. Dorsum uniformly brown or brownish-gray. |
| Skull Characteristics | Microtus have 4 loops of sharply angled enamel on the lingual side of the 3rd upper molar (M3). |
| Notes | Links to more species information:
Smithsonian Animal Diversity Web |