Animalia, Aves, Chordata, May, North America, Passeriformes, Sitta, Sitta canadensis, Sittidae, US, USA, Wisconsin, adult, bird, black, black and white, crab apple tree, crabapple tree, fauna, feathers, flora, flowering, flowering crabapple tree, flowers, natural, nature, north american, north woods, northern, northwoods, nuthatch, outdoors, perch, perched, purple prince, red breast, red-breasted nuthatch, small bird, song bird, songbird, spring, spring time, springtime, tree, wild, wildlife, songbird, song bird, bird, backyard bird, backyard