A. collaris, Anatiadae, Animalia, Anseriformes, Anthya collaris, Aves, Aythya, Aythyinae, Chordata, May, North America, US, USA, Wisconsin, adult, alone, animal, beautiful, bird, black, breeding, brown, diving duck, drake, drake ring-necked duck, duck, early morning, environment, fauna, feathers, habitat, lake, male, marsh, morning, natural, nature, north american, north woods, northern, northwoods, one, outdoors, outside, plumage, plummage, ring necked, ring-necked, ring-necked duck, ringbill, ringnecked, river, single, spring, stream, swim, swimming, water, waterfowl, wetland, wetlands wetland wet land pond, white, wild, wildlife, yellow eye