John Chan / Flock of Western sandpipers (Calidris mauri) taking flight from salt marsh, Southern California, USA.
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John Chan / Flock of Western sandpipers (Calidris mauri) taking flight from salt marsh, Southern California, USA.
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John Chan / Flock of Western sandpipers (Calidris mauri) foraging on a mudflat at low tide, Southern California, USA.
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John Chan / Flock of Western sandpipers (Calidris mauri) taking flight from salt marsh, Southern California, USA.
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John Chan / Flock of Western sandpipers (Calidris mauri) taking flight from salt marsh, Southern California, USA.
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John Chan / Elegant terns (Thalasseus elegans) preening in a tidal basin, with Western sandpipers (Calidris mauri) foraging nearby, Southern California, USA, April.
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Lynn M. Stone / Sanderling (Calidris alba) foraging on beach. Indian Shores, Pinellas County, Florida, USA.
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John Chan / Red-breasted merganser (Mergus serrator) preening on a sandbar, with Western sandpipers (Calidris mauri) feeding in the foreground, Bolsa Chica Ecological Reserve, California, USA, April.
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Claudio Contreras / Least Sandpiper (Calidris minutilla), Ria Lagartos Biosphere Reserve, Yucatan Peninsula, Mexico, September
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Melvin Grey / Sanderling (Calidris alba) adult in breeding plumage, Fort De Soto Pk, Florida, USA, April.
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Melvin Grey / Red knot (Calidris canutus) adult in breeding plumage, with non breeding adult, Fort De Soto, Florida, USA, April.
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Melvin Grey / Least sandpiper (Calidris minutilla) adult in breeding plumage Fort De Soto Island Florida, USA, April.
