Fisheries & Wildlife

Mammal Collection

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Microtus richardsoni (water vole)

Specimen Images | FW5681 |


Class Mammalia
Order Rodentia
Family Cricetidae
Genus Microtus
Species Microtus richardsoni
Common water vole
Diet granivorous, tubers, corms
Habitat Alpine and subalpine riparian areas, always near water.
Description North America’s largest vole. Tail ~ 50% length of body and head. Has “conspicuous” flank glands (may not be visible on specimens)
Skull Characteristics Incisors protrude greatly beyond nasals when skull is viewed from above(compare to Microtus montanus). 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