David Fleetham / A Green sea turtle (Chelonia mydas) at surface to breathe, over shallow reef, Hawaii USA.
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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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Markus Varesvuo / Arctic tern (Sterna paradisaea) in flight over water, multiple reflections in sea. Iceland. June.
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Franco Banfi / Loggerhead turtle (Caretta caretta) accompanied by pilotfish (Naucrates ductor) swimming near the surface. Vulnerable. Santa Maria Island, Azores, Portugal, Atlantic Ocean
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Andy Murch / Nurse shark (Ginglymostoma cirratum) swimming below surface at sunset. South Bimini Island, Bahamas.
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Shane Gross / Lemon shark juvenile (Negaprion brevirostris) swimming in mangrove habitat near blue crab (Callinectes sapidus), a prey species for the shark. Eleuthera, Bahamas.
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Shane Gross / Lemon shark juvenile (Negaprion brevirostris) trying to feed on the leaves of a red mangrove (Rhizophora mangle). As pups, the sharks have to learn to hunt for themselves and sometimes make mistakes....
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Erlend Haarberg / White wagtail (Motacilla alba) reflected in water. Pasvik, Norway. May.
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Pal Hermansen / Bearded seal (Erignathus barbatus) hauled out on ice, reflected in water. Svalbard, Norway. May.
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Franco Banfi / Tail of Blue whale diving (Balaenoptera musculus brevicauda) possibly the pygmy sub-species of blue whale, (Balaenoptera musculus). Mirissa, Sri Lanka, Indian Ocean. Photo taken under permit
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Danny Green / Sea otter (Enhydra lutris) female and pup playing. Alaska, USA, February.
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Danny Green / Sea otter (Enhydra lutris) female and pup. Alaska, USA, February.
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Brandon Cole / Oceanic whitetip shark (Carcharhinus longimanus) and Pilotfish (Naucrates ductor) swimming under a stormy surface. Egypt, Red Sea.
Brandon Cole / Orca whales (Orcinus orca), three adult male resident killer whales travelling together at sunset. British Columbia, Canada, Pacific Ocean.
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Mark Carwardine / Aerial shot zooming in on a superpod of Short-beaked common dolphins (Delphinus delphis), Sea of Cortez, Baja California, Mexico.
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Doug Perrine / Humpback whale (Megaptera novaeangliae) breaching as calf splashes down after a breach; windmills in background produce renewable energy; Hawaii Humpback Whale National Marine Sanctuary, Maui, Hawaii.
Nick Hawkins / Head of a North Atlantic right whale (Eubalaena glacialis) emerges from the water, Gulf of Saint Lawrence, Canada. July.
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Nick Hawkins / Tail of a North Atlantic right whale (Eubalaena glacialis) as it dives, Gulf of Saint Lawrence, Canada. July 2019. IUCN Status: Endangered.
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David Hall / Fried Egg Jellyfish (Phacellophora camtschatica) viewed from below; Browning Pass, Queen Charlotte Strait, British Columbia, Canada. September.
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Shane Gross / Green sea turtle (Chelonia mydas) near the surface in shallow water, Eleuthera, Bahamas.
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Shane Gross / Caribbean reef squid (Sepioteuthis sepioidea) portrait reflecting off the surface of the ocean at night, Eleuthera, Bahamas.
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Shane Gross / Red mangrove (Rhizophora mangle) habitat with shoal of Silversides (Atherinomorus lacunosus), Eleuthera, Bahamas. August.
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Shane Gross / Portrait of an Atlantic spotted dolphin (Stenella frontalis) reflected at surface, off Bimini, Bahamas.
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Alex Mustard / Oceanic whitetip shark (Carcharhinus longimanus) is framed by the surface. Elphinstone reef, Marsa Alam, Egypt. Red Sea.
Shane Gross / Two grey triggerfish (Balistes capriscus) fight over a large piece of plastic floating at the surface among sargassum seaweed (Sargassum natans) in the Sargasso Sea, Atlantic Ocean.
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Andres M. Dominguez / Adult male King Eider (Somateria spectabilis).Batsfjord, Norway, March.
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Andres M. Dominguez / Eider (Somateria mollissima) male animal, Batsfjord, Norway. March
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Alex Mustard / Hard corals (including Acropora sp., Platygyra sp. and Pocillopora spp.) growing in shallow water and reflected in the surface. Ras Umm Sid, Sharm El Sheikh, Sinai, Egypt. Red Sea
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Danny Green / Polar bear (Ursus maritimus) walking across sea ice, reflected in water. Svalbard, Norway, July.
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Oscar Dewhurst / Mute swan (Cygnus olor) swimming with cygnets in misty lake in morning light. Richmond Park, London, England, UK. May.
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Alex Mustard / Spinner dolphin (Stenella longirostris) pod socialising close to surface. Fury Shoal, Sataya Reef, Marsa Alam, Egypt.
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Alex Mustard / Oceanic whitetip shark (Carcharhinus longimanus) swimming close to surface. Brothers Islands, Egypt.
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Gabriel Rojo / Southern right whale (Eubalaena australis) diving, with tail fluke splash. Monumento Natural Ballena Franca Austral, UNESCO World Heritage Site, Valdes Peninsula, Patagonia, Argentina.
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Tony Wu / Bowhead whale (Balaena mysticetus) aerial view, Sea of Okhotsk, Russia.
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Tony Wu / Bowhead whales (Balaena mysticetus) in shallow water, Sea of Okhotsk, Russia.
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Tony Wu / Bowhead whale (Balaena mysticetus) tail slapping,Sea of Okhotsk, Russia.
