Alex Mustard / Grooved brain coral (Diploria labyrinthiformis) at night with polyps extended to feed, Grand Cayman, Cayman Islands, British West Indies. Caribbean Sea.
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Juan Carlos Munoz / Aerial view saltmarshes of Bahia de Cadiz Natural Park, Huelva, Andalucia, Spain, March 2008
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Peter Cairns / 2020VISION / Wader footprints in mudflats, Morecambe Bay, Cumbria, England, UK, February
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Juan Carlos Munoz / Aerial view of Lake Natron, Rift Valley, Tanzania, Africa, August 2009
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Edwin Giesbers / Grevy's zebra (Equus grevyi) close up, captive
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Peter Cairns / 2020VISION / Sunset reflections in River Spey, Scotland.
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Alex Mustard / Detail of pattern of an adult Emperor angelfish (Pomacanthus imperator) Seraya, Tulamben, Bali, Indonesia. Java Sea.
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Juan Carlos Munoz / Detail of ice and water in ice cave. Skaftafell National Park, Southern Iceland, Iceland, Europe, November 2012.
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Juan Carlos Munoz / Woodland reflected on surface of river water, Finland
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Claudio Contreras / Pink abalone (Haliotis corrugata) shell detail, Guadalupe Island Biosphere Reserve, off the coast of Baja California, Mexico, January
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Edwin Giesbers / Tailed jay butterfly (Graphium agamemnon) close-up of wing scales
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Alex Hyde / Close up of feathers of cock Pheasant (Phasianus colchicus).