Jack Dykinga / Aerial view of patterns in tidal mudflats of Colorado River Delta where there is tidal encroachment from the Gulf of California. Baja California, Mexico, 2019.
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Jenny E. Ross / Pacific walruses (Odobenus rosmarus divergens) come ashore at a gravel beach where there is a small walrus haul-out, Arakamchechen Island in the Bering Sea, Chukotka, Russia.
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Jenny E. Ross / Pacific walruses (Odobenus rosmarus divergens) in the Bering Sea, swimming toward shore at a gravel beach where there is a small walrus haul-out on Arakamchechen Island, Chukotka, Russia.