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