David Fleetham / Great white shark (Carcharodon carcharias) breaking surface with mouth open. Guadalupe Island, Mexico.
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Chris Mattison / Yellow poison dart frog (Phyllobates terribilis) the world's most poisonous amphibian captive from northern South America.
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Paul D Stewart / Skull of Moa or Dinornis discovered by Mr. Walter Mantell on the North Island of New Zealand. Plate with later tinting, from Gideom Mantell's petrifactions and their teachings (1851) published by Henr...
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Chadden Hunter / Brinicles (brine icicles or ice stalactites) forming under the ice, growing towards the sea floor, Ross Sea, McMurdo Sound, Antarctica. Taken on location for 'Winter' episode of the BBC Frozen Planet...
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Juergen Freund / Researchers Guido and Katja Westhoff work in a mobile lab in the bush. To handle the deadly Common death adder (Acanthophis antarcticus) Guido puts the head and upper portion of the snake in a plastic...
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Juergen Freund / Common death adder (Acanthophis antarcticus) well camouflaged in its natural habitat. Queensland, Australia, February
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Yva Momatiuk & John Eastcott / Antarctic Fur Seal (Arctocephalus gazella) young male on beach, entangled in green fishing net, deadly marine debris floating in all oceans, Gold Harbour, South Georgia Island, Southern Ocean, Antarct...
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Doug Perrine / Great white shark portrait {Carcharodon carcharias} Dyer Island, Gansbaai, South Africa (Non-ex).
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Michael Richards / John Downer / Spitting cobra sprays twin jets of venom with deadly accuracy at eyes of attacker (Resolution restriction - image digitised from film, 'Weird Nature' tv series)
John Cancalosi / Snapping turtle (Chelydra serpentina) in blue-green algal bloom (Woronichinia naegeliana). Microcystin produced is toxic to wildlife and humans. Maryland, USA. October 2018.