Animalia, Aves, Chordata, June, North America, Picidae, Piciformes, S. varius, Sphyrapicus, Sphyrapicus varius, US, USA, Wisconsin, adult, adult bird, adult male, adult sapsucker, adult woodpecker, bird, black, cavity nest, fauna, feathers, hole, hole in tree, in hole, in nest cavity, male, male bird, male sapsucker, male yellow-bellied sapsucker, natural, nature, nest, nest cavity, north american, northern, northern Wisconsin, northwoods, red, sapsucker, summer, white, wild, wildlife, woodpecker, yellow, yellow-bellied sapsucker