Ключевые слова: america, animal, aves, avian, background, bay, beach, beautiful, behavior, billed, biodiversity, biology, bird, birding, blue sky, calm, charadriiformes, choptank, choptank river, closeup, colorful, conservation, contemplation, delawarensis, detail, ecology, ecosystem, environment, environmental, fauna, feathers, fresh, gull, lake, laridea, larus, marina, marsh, maryland, migrant, migration, natural, nature, north, north america, ocean, ornithology, outdoors, ozone, plumage, portrait, profile, ring, ring billed, river, scavenger, sea, serene, stand, standing, sunny, urban, urban wildlife, wetlands, white, wild, wild animal, wild bird, wildlife, wildlife refuge, winter, winter light, zoology,