John Chan / California brown pelicans (Pelecanus occidentalis californicus) stretching their gular pouches and preening, resting near to a flock of Elegant terns (Thalasseus elegans), Southern California, USA, Ma...
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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 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 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 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 Chan / Elegant terns (Thalasseus elegans) gathering at their breeding grounds, taking flight, Southern California, USA, May.
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John Chan / Elegant terns (Thalasseus elegans) gathering at their breeding grounds, Southern California, USA, May.
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John Chan / Western gulls (Larus occidentalis) roosting on a mudflat, with Dowitchers (Scolopacidae) foraging nearby, Southern California, USA, April.
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Remi Masson / Great blue spotted mudskipper (Boleophthalmus pectinirostris), two in territorial fight on mudflat. Kyushu Island, Japan. August.
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Magnus Lundgren / Wild Wonders of China / Local people using salt to catch mollusks in the mud. This risks creating a unbalanced salinity in Ha Pak Nai wetlands, Yuen Long District facing Deep Bay, New territories, Hong Kong, China. June, 201...
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Magnus Lundgren / Wild Wonders of China / River in Ha Pak Nai wetlands, Yuen Long District facing Deep Bay, New territories, Hong Kong, China.