Microtus richardsoni

Also found in: Thesaurus, Wikipedia.
ThesaurusAntonymsRelated WordsSynonymsLegend:
Noun1.Microtus richardsoni - of western North AmericaMicrotus richardsoni - of western North America    
field mouse, vole - any of various small mouselike rodents of the family Cricetidae (especially of genus Microtus) having a stout short-tailed body and inconspicuous ears and inhabiting fields or meadows
genus Microtus, Microtus - voles of the northern hemisphere