American songbird, Animalia, August, Aves, Chordata, North America, Passeriformes, US, USA, V. olivaceus, Vireo olivaceus, Vireonidae, Wisconsin, berries, berry, bird, fauna, feathers, feed, feeding, forage, foraging, holding a berry, holding berry, late August, late summer, natural, nature, north american, northern, northern Wisconsin, northwoods, perch, perched, red eyed vireo, red-eyed vireo in Wisconsin, songbird, summer, summertime, vireo, wild, wildlife, with a berry in beak