Animalia, Aves, Chordata, North America, Picidae, Piciformes, Sphyrapicus, Sphyrapicus varius, US, USA, Wisconsin, bird, black, drink, drinking, drinking tree sap, fauna, feathers, forest, immature, immature sapsucker, immature woodpecker, immature yellow-bellied sapsucker, juvenile, juvenile yellow-bellied sapsucker, natural, nature, north american, north woods, northern, northern Wisconsin, northwoods, outdoors, outside, sap, sap holes, sapsucker, sip, sipping, sipping tree sap, summer, tree, tree sap, trees, white, wild, wildlife, woodland, woodpecker, woods, yellow-bellied sapsucker, young, young woodpecker, young yellow-bellied sapsucker