The Arvicolinae includes ca. 140 species of the voles, lemmings, and muskrats. This subfamily is usually included in Cricetidae (hamsters, New World rats and mice, and allies), but some authorities place the Arvicolinae in the family Muridae (Old World rats and mice) or treat it as a full family, the Arvicolidae. The Arvicolinae are confined to the Northern Hemisphere.

 

Common Vole

Meadow Vole

Woodland Vole

Muskrat

 

		Common Vole (Microtus arvalis)
		Meadow Vole (Microtus pennsylvanicus)
		Woodland Vole (Microtus pinetorum)
		Muskrat (Ondatra zibethicus)

 

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