Ключевые слова: america, american, animal, avian, biodiversity, biology, bird, canary, carduelis, close, colorful, conservation, countryside, detail, ecology, ecosystem, environment, environmental, feathers, field, finch, fringillidae, goldfinch, granivore, male, maryland, meadow, migration, migratory, nature, north, ornithology, passeriformes, passerine, perched, perching, plumage, seedheads, sitting, spring, summer, thistle, tristis, up, wild, wildflowers, wildlife, yellow, zoology,