Animalia, Aves, Chordata, North America, Passeriformes, Sitta, Sitta canadensis, Sittidae, USA, Wisconsin, adult, animal, birch, bird, black and white, black stripe through eye, blue, blue-grey, common, cute, dark blue, dark stripe, eye, fauna, look, looking, male, mature, natural, nature, north american, north woods, northern, northwoods, nuthatch, perch, perched, red, red breast, red-breasted, red-breasted nuthatch, small, small songbird, snag, song bird, songbird, stripes, tree, white, wild, wild life, wilderness, wildlife, winter