1) Genus microtus 2) Mammal genus 
Microtus is a genus of voles found in North America, Europe, and northern Asia. The genus name refers to the small ears of these animals. About 62 species are placed in the genus. They are stout rodents with short ears, legs, and tails. They eat green vegetation such as grasses and sedges in summer, and grains, seeds, roots, and bark at other time...
Genus of voles and meadow mice.
[n] - voles of the northern hemisphere
genus Microtus noun voles of the northern hemisphere