muskrat

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muskrat Large, aquatic rodent (a type of vole) native to North America. It is a good swimmer, with partly webbed hind feet and a long, scaly tail. Its commercially valuable fur (musquash) is glossy brown and durable. Length, including tail: to 53.5cm (21in); weight: to 1.8kg (4lb). Family Cricetidae; species Ondatra obscura and O. zibethica.

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