John Chan / California brown pelicans (Pelecanus occidentalis californicus) roosting on a mudflat, with a flock of Elegant terns (Thalasseus elegans) nearby, Southern California, USA May/2019
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John Shaw / Brown bear (Ursus arctos) searching for clams on tidal mudflat with waterbirds. Lake Clark National Park, Alaska. August.
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SCOTLAND: The Big Picture / Panning shot of a large flock of Pink-footed geese (Anser brachyrhynchus) taking off from their roosting site, Montrose, Angus, Scotland, UK, November.
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Ingo Arndt / Grizzly Bear (Ursus arctos horribilis) digging for clams on tidal flats, Lake Clark National Park, Alaska.
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Sebastian Kennerknecht / Snowy Plover (Charadrius nivosus) biologist, Ben Pearl, picking up chick from mud flat in salt pond, Eden Landing Ecological Reserve, Union City, Bay Area, California
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Ingo Arndt / Grizzly Bear (Ursus arctos horribilis) cub on mothers back walking on tidal flats, Lake Clark National Park, Alaska
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David Noton / Flamingos on Laguna / Lake Colorada at dawn, Eduardo Avaroa Andean Fauna National Reserve, Bolivia, December 2009
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Hanne & Jens Eriksen / Crab-plover (Dromas ardeola) three walking in a row on mudflat, two with food in beaks. Oman, June.
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Nigel Cattlin / Mudflats of Chichester Channel at low tide, at sunset. Itchenor, West Sussex. November 2016.
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Mike Read / Ruff (Philomachus pugnax) feeding in mudflat at edge of lagoon. Titchwell Marsh RSPB Reserve, Norfolk, England, UK. September.
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Mike Read / Red knot (Calidris canutus) flock in flight over mudflats at sunset. Snettisham RSPB Reserve, The Wash, Norfolk, England, UK. August 2018.
