5", Poecile atricapilla, Wisconsin, adapt, adapted, adult, american, animal, back yard, backyard, backyard bird, bill, bird, bitter cold, black, black and white, black cap, black-capped, black-capped chickadee, cavity nest, chickadee, cold, common, cute, fast, fauna, feathers, flits, fly, flys, freeze, freezing, gray bird, green moss nest, hyper, insects, nature, north, north american, north woods, northern, northwoods, perch, perched, search, searching, seeds, sing, singing, small, snow, song bird, songbird, suet, survival, survive, sweet, tame, tan belly, white, white chest, wild, wildlife, wings, winter, woods