Picidae, Sphyrapicus varius, Wisconsin, adult, animal, beak, bill, bird, black, climb, climbing, cling, clinging, eat, eating, eats bugs, eats insects, fauna, feathers, female, fence post, fence-post, large bird, male, north woods, northern, northwoods, peck, pecks, red, sapsucker, search, searching, spring, spring time, springtime, white, wings, woodpecker, yellow, yellow-bellied, yellow-bellied sapsucker