Comparing Sciuromorph and Myomorph Jaw
Characteristic Groups
Brittney Viers and Jacob Marquess
Name: Prairie Vole, Microtus ochrogaster
Order: Rodentia
Family: Muridae
Subfamily: Arvicolinae
Weight: 3/4-2 oz.
Total Length: 4 3/4-7 3/8in.
Skull Length: 1-1 1/8in.
Skull Width: 1/2-5/8in.
Distribution: Midwest stretching to OK, AK, west KY and TN up to the north central U.S.
Habitat: Upland herbaceous fields, grasslands, thickets, fallow fields, under shocks of corn and small grain, and along fencerows
Foods: tender stems, leaves, roots, tubers, flowers, seeds and fruits of grasses, sedges, and other succulent plants
Name: Beaver, Castor canadensis
Order: Rodentia
Family: Castoridae
Weight:26-90lb.
Total Length: 34-54in.
Skull Length: 4 1/2-5 1/2in.
Skull Width: 3 1/8-4in.
Distribution: Inhabits all of the U.S. except for southern CA, NV and FL
Habitat: In and along streams, rivers, marshes, and small lakes
Foods: In spring and fall half of the diet consists of woody veg. and the other half nonwoody, in summer, woody veg. decreases slightly and increases to 100% in the winter
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