Ключевые слова: america, american, aquatic, avocet, bay area, baylands, bird, ca, california, cattail, colored, copy space, delta, ducks, fauna, flock, free, green, group, lake, landscape, marsh, marsh lands, nature, orange, outdoors, park, pond, protected, refuge, resting, san francisco bay, scenery, scenic, shore, shoreline, slough, south, sunset, swamp, united states, usa, vegetation, view, water surface, wet, wetlands, wild, wild life, wildlife,