David Weiller / Aerial tracking shot of locals feeding a juvenile Whale shark (Rhincodon typus) and swimming past a crowd of tourists, Oslob, Philippines, May.
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David Weiller / Aerial tracking shot of locals feeding a juvenile Whale shark (Rhincodon typus) and swimming past a crowd of tourists, Oslob, Philippines, May.
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David Weiller / Aerial tracking shot of coral reef formations in shallow sea, Sipadan, Sabah, Malaysia, November.
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Joel Sartore / Photo Ark / Two African crowned cranes (Balearica regulorum regulorum) looking around, then one ruffles its feathers, Lincoln Children's Zoo. Captive.
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Noemie Stroh / Orbicular batfish (Platax orbicularis) schooling into the blue, Shark Reef, Ras Mohamed National park, Red Sea, Egypt, June.
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Lewis Jefferies / Powder blue tangs (Acanthurus leucosternon) shoaling, Maldives, Indian Ocean.
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Terry Whittaker / Two Arctic fox (Vulpes lagopus) cubs playing together near den, Hornvik, Hornstrandir Nature reserve, Iceland, July.
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Terry Whittaker / Arctic fox (Vulpes lagopus) cubs playing with feather, playfighting and chasing each other near den, Hornvik, Hornstrandir Nature reserve, Iceland, July.
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John Cancalosi / Gila Woodpecker (Melanerpes uropygialis) bringing food to nest in Saguaro cactus (Carnegiea gigantea) before leaving, Sonoran Desert, Arizona, USA.
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Carlos Zorrilla / Common potoo (Nyctibious griseus) sleeping as chick yawns next to it, Ecuador, March.
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John Chan / Great blue heron (Ardea herodias) resting, perched prior to returning to nest site with nesting material, Bolsa Chica Ecological Reserve, Southern California, USA, February.
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John Chan / Great blue herons (Ardea herodias) engaging in twig transfer during nest building, Bolsa Chica Ecological Reserve, Southern California, USA, February.
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Kim Taylor / Barn swallow (Hirundo rustica), flying over a cattle trough, descending vertically to come in low over the water and drink. Slow motion. The rapid passing of the swallow causes Water boatmen / Backswi...
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Ashley Cooper / Ironbridge, the world's first cast iron bridge. The River Severn in flood conditions following Storm Ciara and Storm Dennis, the wettest February recorded in the UK. Shropshire, England, UK, February...
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Solvin Zankl / Giant manta ray (Manta birostris) at cleaning station North Raja Ampat, West Papua, Indonesia, Pacific Ocean.
Philippe Clement / Blue tit (Cyanistes caeruleus) collecting cotton wool for nest building before flying out of frame, Belgium, April.
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Derek Galon / Timelapse of Walking iris (Neomarica caerulea) flowers opening. Controlled conditions, native to Brazil.
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Derek Galon / Drone shot revealing Victoria Falls, water is milky blue as it contains sulphur from Boiling Lake, Dominica, 2019
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Derek Galon / Drone shot approaching Victoria Falls after heavy rains, normally water is milky blue as it contains sulphur from Boiling Lake, after rain it is muddy, Dominica, 2019.
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Milan Radisics / Aerial shot of an artificial lake polluted by extractive pyrite mining, the orange color comes from sulfite and the blue is a reflection of the sky, Minas de Riotinto, Andalusia, Spain, January 2019.
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Milan Radisics / Aerial shot of the shore of an artificial lake polluted by extractive pyrite mining, the orange color comes from sulfite and the blue is a reflection of the sky, Minas de Riotinto, Andalusia, Spain, J...
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David Gallan / Male Satin bowerbird (Ptilonorhynchus violaceus) courting female on suburban street verge, bower filled with blue plastic, Australia, October 2018.
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John Chan / Great blue heron (Ardea herodias) predating a Smelt (Osmeridae), Southern California, USA, October.
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John Chan / Juvenile Great blue heron (Ardea herodias) predating a twig , learning stalking and hunting skills, Southern California, USA, July.
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John Chan / Great blue heron (Ardea herodias) chick begging to be fed, Southern California, USA, April.
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Juergen Freund / Blue-lined fangblenny (Plagiotremus rhinorhynchos) hiding in a plastic container, they usually hide in deserted worm tubes or other small holes, North Sulawesi, Indonesia.
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Juergen Freund / Slow motion aerial shot of a Pygmy blue whale (Balaenoptera musculus brevicauda) blowing / breathing at the surface before diving, Banda Sea, Indonesia.
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Sandesh Kadur / Blue wildebeest (Connochaetes taurinus) crossing a river, Serengeti National Park, Tanzania.
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Sandesh Kadur / Wide angle shot of a pair of Blue footed boobies (Sula nebouxii) displaying, Galapagos Islands, Ecuador.
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Terry Whittaker / Arctic fox (Vulpes lagopus) feeding in snow, blue colour morph, Hornstrandir Nature Reserve, Iceland, March.
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Terry Whittaker / Arctic fox (Vulpes lagopus) feeding and digging in snow whilst hunting, blue colour morph, Hornstrandir Nature Reserve, Iceland, March.
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Steve Downer / Tracking shot of Bluebells (Hyacinthoides non-scripta) in flower, Millison's Wood, Solihull, West Midlands, UK May.
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David Perpinan / Blue-fronted amazon parrot (Amazona aestiva) entering nest in tree, Pantanal, Mato Grosso do Sul, Brazil.
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David Perpinan / Blue fronted amazon (Amazona aestiva) chicks, confiscated from illegal wildlife trade, Brazil.
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David Perpinan / Close-up of a carer feeding a Blue fronted amazon (Amazona aestiva), confiscated from illegal wildlife trade, Brazil.
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Dave Bevan / Bank vole (Myodes glareolus) feeding from a bird feeder anlongside a Coal tit (Periparus ater) and Blue tit (Cyanistes caeruleus), Carmarthenshire, Wales, UK, September.
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Dave Bevan / Slow motion clip of a Blue tit (Cyanistes caeruleus) flying to nest box, enters to feed nestlings and leaves, Carmarthenshire, Wales, UK, June.
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Fred Olivier / Adelie penguins (Pygoscelis adeliae) walking in front of a blue iceberg, Adelie Land, Antarctica, January.
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Terry Whittaker / Arctic fox (Alopex lagopus) cubs playing, Hornvik, Hornstrandir, West Fjords, Iceland. April.
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Terry Whittaker / Arctic fox (Alopex lagopus) cubs playing, Hornvik, Hornstrandir, West Fjords, Iceland. April.
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Terry Whittaker / Arctic fox (Alopex lagopus) cubs playing, Hornvik, Hornstrandir, West Fjords, Iceland. April.
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Fred Olivier / Wide angle shot of a large flock of Blue footed boobies (Sula nebouxii) taking off from the sea and diving on a bait ball, Isla Lobos de Terra, Peru.
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Fred Olivier / Wide angle shot of a large flock of Blue footed boobies (Sula nebouxii) taking off from the sea and diving on a bait ball, Isla Lobos de Terra, Peru.
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Fred Olivier / Pair of Blue footed boobies (Sula nebouxii) courting, with the male picking up and offering grass, Isla Lobos de Terra, Peru.
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Dave Bevan / Blue tit (Cyanistes caeruleus) perched on a tree stump, Carmarthenshire, Wales, UK, November.
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SINCLAIR STAMMERS / Timelapse of filaments of Oscillatoria, a type of Blue green algae gliding over each other, filmed using differential interference contrast.
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Jabruson Motion / Hunter putting on a rucksack filled with bushmeat for transport to market, including Blue duiker (Cephalophus monticola) and Putty-nosed monkey (Cercopithecus nictitans), Dzanga-Ndoki National Park, S...