Ingo Arndt / Sun rising over ice formations on Lake Baikal. Siberia, Russia. February 2019.
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Theo Bosboom / Sun rays through stormy clouds, and snow covered beach, Varanger Peninsula, Norway. March.
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Alex Mustard / RF - Silhouette of a California sea lion (Zalophus californianus) swimming through an underwater cave. Los Islotes, La Paz, Baja California Sur, Mexico. Sea of Cortez, Gulf of California, East Pacific...
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Nick Hawkins / Ocean sunfish (Mola mola) off Halifax, Nova Scotia, Canada. July.
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Nick Hawkins / Overhead view of a blue shark (Prionace glauca) off Halifax, Nova Scotia, Canada. July.
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SCOTLAND: The Big Picture / Puffins (Fratercula arctica) Shaint Isles, Scotland, UK, June.
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Franco Banfi / Scuba diver exploring El Eden cenote. Quintana Roo, Yucatan Peninsula, Mexico.
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Stefan Christmann / Emperor penguin (Aptenodytes forsteri) on sea ice at sunrise. Atka Bay, Antarctica. May 2017.
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Stefan Christmann / Sunset with beams of light shining through Neumayer-Station III, Alfred-Wegener-Institut research station. Atka Bay, Antarctica. January 2017.
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Sven Zacek / Sunrise over bog with trees reflected in pool. Endla Nature Reserve, Jogevamaa, Central Estonia. October 2015.
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Sven Zacek / Dandelion (Taraxacum officinale), a field of many seedheads highlighted at sunset. Karula National Park, Valgamaa, Southern Estonia. June 2017.
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Pal Hermansen / Common brimstone (Gonepteryx rhamni) flying in summer meadow amongst Knapweed (Centaurea sp). Hvaler, Ostfold, Norway. July.