Short-tailed Vole (Field Vole) Microtus agrestis Length 11-16cm Locally abundant grassland rodent. Makes network of concealed surface runways and tunnels just below surface of soil, or through compacted roots of grasses. Diet comprises mainly grass roots. Adult has plump body and a relatively shorter tail and smaller ears than Bank Vole. Coat colour is mainly grey brown, palest on chest and belly. Utters shrill squeaks in alarm. Common in grassy habitats ranging from lowland meadows to upland moors. Widespread but absent from Ireland and most islands.