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from | Encarta |  |
Muskrat |
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| The North American muskrat, reaching a length of approximately 30 cm (12 in), is a medium-sized semiaquatic rodent with a long, flat tail that it uses as a rudder while swimming. Muskrats are omnivorous feeders, eating a variety of aquatic plants, fish, freshwater mussels, and terrestrial and aquatic invertebrates. | ||||||
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