3, Anatidae, Animalia, Anseriformes, August, Chordata, Hooded merganser, Lophodytes cucullatus, Merginae, USA, Wisconsin, animal, bird, brown, duck, environment, fauna, habitat, immature, juvenile, juveniles, lake, merganser, merganzer, natural, nature, north american, north woods, northern, northwoods, pond, stream, summer, three, together, water, waterfowl, wetland, wild, wildlife, young