Animalia, Arvicolinae, Chordata, Cricetidae, Mammalia, Muroidea, North America, Ondatra zibethicus, Rodentia, USA, Wisconsin, abundant, brown, common, critter, cute, fauna, fur, lake, marsh, muskrat, natural, nature, north american, northwoods north woods, pond, rat, reddish, rodent, semi aquatic, semi-aquatic, semiaquatic, spring, spring time, springtime, stream, swim, swimming, thick fur, water, wetland, wild, wildlife