1. (Science: zoology) A North American aquatic fur-bearing rodent (fibre zibethicus). It resembles a rat in colour and having a long scaly tail, but the tail is compressed, the bind feet are webbed, and the ears are concealed in the fur. It has scent glands which secrete a substance having a strong odour of musk. Called also musquash, musk beaver, and ondatra.
3. (Science: zoology) The desman.
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... in the creek and had no idea it was. It was to small for a beaver and had a tail that resembled a rat. My best guess is that it might be a muskrat....the environment of the creek is muddy and dirty and I live in Indiana...any ideas? Kigh
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