Anas, Anas platyrhynchos, Anatidae, Animalia, Anseriformes, Aves, Chordata, Mallard, May, North America, US, USA, Wisconsin, adult, animal, bird, breeding plumage, dabbling duck, drake, duck, environment, fauna, feathers, gregarious, habitat, lake, male, marsh, natural, nature, north american, north woods, northern, northwoods, outdoors, outside, river, spring, spring time, springtime, water, waterfowl, wetland, wetlands, wild, wildlife