Animalia, April, Arvicolinae, Chordata, Cricetidae, Mammalia, Muroidea, North America, Ondatra zibethicus, Rodentia, US, USA, Wisconsin, animal, blue water, close, close up, close-up, closeup, environment, habitat, lake, mammal, muskrat, natural, nature, near, north american, north woods, northern, northern Wisconsin, northwoods, rat, river, rodent, spring, stream, swim, swimming, water, wetland, wild, wildlife