Ключевые слова: american, animal, backyard, beautiful, bird, bird feed, bird house, bird watching, blue, bright, bugs, call, cardinal, cardinalis, detail, feather, feathers, feed, fly, flying, hunting, insects, male, mates, mountain bluebird, natural, nature, nesting, ornithology, pair, red, redbird, redbirds, seasons, sialia currucoides, sialia sialis, songbird, songbirds, songs, spring, summer, sunflower seed, watching, wildlife, wing, winged, wings, worms,