Animalia, April, Arvicolinae, Chordata, Cricetidae, Mammalia, Muroidea, North America, Ondatra zibethicus, Rodentia, US, USA, Wisconsin, animal, brown, close, close up, close-up, closeup, eat, eating, environment, feed, feeding, food, fur, grass, greens, habitat, mammal, muskrat, natural, nature, north american, north woods, northern, northern Wisconsin, northwoods, rat, rodent, spring, spring time, springtime, vegetation, water, wetland, wild, wildlife