American Goldfinch, Amygdaloideae, Angiosprerms, Animalia, Aves, Carduelinae, Chordata, Eudicots, Fringillidae, Maleae, Malinae, Malus, May, North America, Passiformes, Plantae, Rosaceae, Rosales, Rosids, S. tristis, Spinus, Spinus tristis, US, USA, Wisconsin, adult, animal, apple, apple tree, bird, blossom, blossoming, branch, breeding plumage, crab, crab apple, crab apple tree, crabapple, feathers, female, finch, flora, flowering, flowers, goldfinch, growing, growth, natural, nature, north american, north woods, northern, northwoods, petal, petals, pink flowers, plant, plant life, plantlife, plumage, pretty, season, seasonal, song bird, songbird, spring, spring time, springtime, stamin, tree, wild, wild apple, wild canary, wildlife, yellow, songbird, song bird, bird, backyard bird, backyard