Georgette Douwma / Corkscrew or Long tentacle anemone (Macrodactyla doreensis). Lembeh Strait, North Sulawesi, Indonesia.
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Jack Dykinga / Aurora Borealis display above conifers and Polar Lake. Near Great Slave Lake, Northwest Territories, Canada. September 2018.
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Guy Edwardes / Cauldron Force, West Burton, Yorkshire Dales National Park, North Yorkshire, England, UK, June.
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Chris Gomersall / Large flock of Red knot (Calidris canutus) moving at high tide roost, in winter plumage, Snettisham RSPB Reserve, Norfolk, England, UK, September.
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Steven Kazlowski / Photographer in front of Northern lights / Aurora borealis glowing brightly over the frozen eastern Beaufort Sea, Arctic National Wildlife Refuge, Alaska Model released.
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Floris van Breugel / Aurora borealis / Northern Lights seen from entrance to tent, Brooks Range, Gates of the Arctic National Park, Alaska, USA, September 2014.
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Pal Hermansen / Aerial view of river delta and coast, South West Iceland, June 2014.
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Stephen Dalton / Out of focus close-up of a rose (Rosa sp), UK.
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Nick Upton / Shoal of young sardines (Sardina pilchardus) swimming in various directions close to the shore in a shallow sandy bay, viewed from above water. Eastern Lesbos /Lesvos, Greece, August.
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David Hall / Compound sea squirt (Ascidiacea) encased in tunic covering. Pantar, Alor Archipelago, Indonesia.
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John Shaw / Peringuey's adder (Bitus peringeuyi) camouflaged in the sand. Namib desert, near Swakomund, Namibia, May.
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Marie Read / Mixed Blackbird flock, mostly Red-winged Blackbirds (Agelaius phoeniceus), in flight against backdrop of autumn foliage in November, Bosque Del Apache National Wildlife Refuge, New Mexico, USA. Novemb...
