Ключевые слова: america, animal, animals, aquatic, avian, beach, beak, bird, birds, calidris, calidris pusilla, canada, conservation, environment, environmental, feather, florida, horizontal, living, marine, marsh, nature, north, ocean, ontario, organism, ornithology, outdoors, outside, pusilla, sand, sandpiper, sandpipers, scolopacidae, sea, semipalmated, shore, shorebird, shorebirds, summer, usa, wader, waders, wading, watching, water, wetland, wild, wildlife, wing,