Anatiadae Animalia Anseriformes Aves Chordata Hooded merganser L. cucullatus Lophodytes cucullatus Merginae North America US USA Wisconsin adult adults animal aquatic artificial bird dimorphic duck ducks environment female fly flying habitat hood house investigating male mated mates merganser natural nature nest nesting cavity north american north woods northwoods pair use using wild wildlife wood duck wood duck house woodduck woodduck house