1st year, Aves, Chordata, Geothlypis, Geothlypis trichas, July, North America, Parulidae, Passeriformes, US, USA, USA US, Wisconsin, bird, environment, fauna, feathers, female, habitat, immature, juvenile, natural, nature, north american, north woods, northern, northwoods, outdoors, outside, perched, songbird, summer, wild, wildlife, willow, yellow, yellow throat, yellowthroat, young