Sven Zacek / Sunrise over mineral islands in the Muraka bog in Eastern Estonia. August 2011.
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David Fleetham / Red encrusting sponge (Clathria sp) on calcium carbonate-producing Seaweed / Green algae (Halimeda kanaloana). Hawaii.
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Alex Mustard / Star puffer (Arothron stellatus) swimming through Black coral (Antipatharia) in coral reef. Ari Atoll, Maldives. Indian Ocean.
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Nick Upton / Salinas del Carmen (Salts Pans of Carmen), Fuerteventura, Canary Islands, June.
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Alex Mustard / A trail of sand balls left behind on the beach after the feeding of a ghost crab (Ocypode sp.). The beach is rich in olivine mineral, which is why it is green. Floreana Island, Galapagos Islands, Ecua...
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Mike Potts / Hawaiian goose / Nene (Branta sandvicensis) eating grit in a car park, Kauai island, Hawaii, USA
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Sven Zacek / Aerial fish-eye view of a foggy bog with mineral islands at sunrise, Alam-Pedja Nature Reserve, Tartumaa, Estonia, March 2013.
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Sven Zacek / Sunrise over mineral islands in the Muraka bog in Eastern Estonia. August 2011.
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Nick Upton / Boiling water from hot springs flowing into thermal river, with colourful growths of blue-green algae and mineral deposits at margins. Polychnitos, Lesbos / Lesvos, Greece, August 2010.
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Graham Eaton / Old Manganese Mine workings at Porth Ysgo, Gwynedd, North Wales, UK, April 2010.
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Ingo Arndt / Pierid Butterfly (Eurema sp) group feeding on soil minerals, Christmas Island, Indian Ocean, Territory of Australia
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Pete Oxford / Rockhopper Penguins (Eudyptes chrysocome) in 'mineral clay lick', an area near near their colony which they seem to go to on a regular basis to eat some of the soil, Pebble Island, off north coast of...
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Tui De Roy / White-cheeked Pintail (Anas bahamensis) ducks on mineral lake in June 1975 prior to lake being destroyed by eruptions, Fernandina Caldera, Fernandina Island, Galapagos Islands, Ecuador
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Mike Potts / Hawaiian goose / Nene (Branta sandvicensis) eating grit in a car park, Kauai island, Hawaii, USA
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Mike Potts / Hawaiian goose / Nene (Branta sandvicensis) eating grit in a car park, Kauai island, Hawaii, USA
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Tui De Roy / Dolomite cliff with huge guillemot colony, 100,000 pairs, East Spitsbergen Island, Hinlopen Strait, Svalbard Archipelago, Norwegian Arctic
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Tui De Roy / Sulfur mine, Sierra Negra, Isabela Island, Galapagos Islands, Ecuador
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Tui De Roy / Sulfur mine, Sierra Negra, Isabela Island, Galapagos Islands, Ecuador
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Milan Radisics / Aerial view of ash pond near Turek, Poland. Former open pit coal mine now used to store coal ash after burning in power plants. The ash is mixed with water and pumped through pipelines (fixed on sand...
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Ashley Cooper / Salt pans at Salinas de Janubio saltworks, mountains in background. Lanzarote, Canary Islands, Spain. November 2019.
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Ashley Cooper / Salt pans at Salinas de Janubio saltworks, mountains in background. Lanzarote, Canary Islands, Spain. November 2019.
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John Cancalosi / Lava bomb slice, Mount Kilauea, Hawai'i
