Amygdaloideae, Angiosprerms, Animalia, Aves, Chordata, Eudicots, Icteridae, M. ater, Maleae, Malinae, Malus, May, Molothrus, Molothrus ater, North America, Passeriformes, Plantae, Rosaceae, Rosales, Rosids, US, USA, Wisconsin, adult, apple, apple tree, bir‏d, black, blossom, blossoming, branch, brown, brown headed cowbird, brown-headed cowbird, call, calling, cowbird, crab, crab apple, crab apple tree, crabapple, flora, flowering, flowers, growing, growth, male, natural, nature, north american, north woods, northern, northwoods, outdoors, perch, perched, petal, petals, pink flowers, plant, plant life, plantlife, pretty, season, seasonal, sing, singing, spring, spring time, springtime, stamin, tree, wild, wild apple, wildlife, songbird, song bird, bird, backyard bird, backyard