Animalia, Arvicolinae, Chordata, Cricetidae, Mammalia, May, Muroidea, North America, Ondatra zibethicus, Rodentia, USA, Wisconsin, abundant, brown, common, critter, fauna, fur, house, lake, lodge, muskrat, muskrat house, muskrat lodge, natural, nature, nest, north american, northwoods north woods, pond, push-up, rat, reddish, rodent, semi aquatic, semi-aquatic, semiaquatic, spring, spring time, stream, thick fur, vegetarian, water, wetland, wild, wildlife